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10220022220020 = 2235669125457137
BaseRepresentation
bin1001010010111000100011…
…0010110100010011110100
31100012000122220212002201020
42110232020302310103310
52314421101142020040
633423002520501140
72103241451351514
oct224561062642364
940160586762636
1010220022220020
113290318120498
12119086091a7b0
13591989632062
1427491a43b844
1512aca6071cd0
hex94b88cb44f4

10220022220020 has 48 divisors (see below), whose sum is σ = 28620340139328. Its totient is φ = 2724931837440.

The previous prime is 10220022220013. The next prime is 10220022220021. The reversal of 10220022220020 is 2002222002201.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10220022220021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12327109 + ... + 13130028.

It is an arithmetic number, because the mean of its divisors is an integer number (596257086236).

Almost surely, 210220022220020 is an apocalyptic number.

10220022220020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10220022220020 is an abundant number, since it is smaller than the sum of its proper divisors (18400317919308).

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

10220022220020 is a wasteful number, since it uses less digits than its factorization.

10220022220020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25463840 (or 25463838 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 10220022220020 its reverse (2002222002201), we get a palindrome (12222244222221).

The spelling of 10220022220020 in words is "ten trillion, two hundred twenty billion, twenty-two million, two hundred twenty thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 6691 13382 20073 26764 33455 40146 66910 80292 100365 133820 200730 401460 25457137 50914274 76371411 101828548 127285685 152742822 254571370 305485644 381857055 509142740 763714110 1527428220 170333703667 340667407334 511001111001 681334814668 851668518335 1022002222002 1703337036670 2044004444004 2555005555005 3406674073340 5110011110010 10220022220020