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20260563370020 = 22325397283523137
BaseRepresentation
bin1001001101101010001111…
…01011101100000000100100
32122201220001111102011021200
410212311013223230000210
510123422113210320040
6111031324015242500
74160530435101531
oct446650753540044
978656044364250
1020260563370020
116501502915556
122332771819430
13b3c7419a201c
1450088b961d88
15252055242630
hex126d47aec024

20260563370020 has 72 divisors (see below), whose sum is σ = 61611846072504. Its totient is φ = 5389207769088.

The previous prime is 20260563370007. The next prime is 20260563370037. The reversal of 20260563370020 is 2007336506202.

It is a happy number.

20260563370020 is a `hidden beast` number, since 2 + 0 + 2 + 6 + 0 + 563 + 3 + 70 + 0 + 20 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 126820029924 + 20133743340096 = 356118^2 + 4487064^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 141690109 + ... + 141833028.

Almost surely, 220260563370020 is an apocalyptic number.

20260563370020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20260563370020 is an abundant number, since it is smaller than the sum of its proper divisors (41351282702484).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20260563370020 is a wasteful number, since it uses less digits than its factorization.

20260563370020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283523549 (or 283523544 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 36.

Adding to 20260563370020 its reverse (2007336506202), we get a palindrome (22267899876222).

The spelling of 20260563370020 in words is "twenty trillion, two hundred sixty billion, five hundred sixty-three million, three hundred seventy thousand, twenty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 397 794 1191 1588 1985 2382 3573 3970 4764 5955 7146 7940 11910 14292 17865 23820 35730 71460 283523137 567046274 850569411 1134092548 1417615685 1701138822 2551708233 2835231370 3402277644 4252847055 5103416466 5670462740 8505694110 10206832932 12758541165 17011388220 25517082330 51034164660 112558685389 225117370778 337676056167 450234741556 562793426945 675352112334 1013028168501 1125586853890 1350704224668 1688380280835 2026056337002 2251173707780 3376760561670 4052112674004 5065140842505 6753521123340 10130281685010 20260563370020