Search a number
-
+
20036104340 = 2257143115031
BaseRepresentation
bin10010101010001111…
…101011000010010100
31220201100110120002112
4102222033223002110
5312013220314330
613112055130152
71306341035240
oct225217530224
956640416075
1020036104340
11855194981a
123a72073958
131b74009255
14d81003420
157c3eed795
hex4aa3eb094

20036104340 has 24 divisors (see below), whose sum is σ = 48086650752. Its totient is φ = 6869521440.

The previous prime is 20036104289. The next prime is 20036104399. The reversal of 20036104340 is 4340163002.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71557376 + ... + 71557655.

It is an arithmetic number, because the mean of its divisors is an integer number (2003610448).

Almost surely, 220036104340 is an apocalyptic number.

20036104340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20036104340 is an abundant number, since it is smaller than the sum of its proper divisors (28050546412).

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

20036104340 is a wasteful number, since it uses less digits than its factorization.

20036104340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143115047 (or 143115045 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 20036104340 its reverse (4340163002), we get a palindrome (24376267342).

The spelling of 20036104340 in words is "twenty billion, thirty-six million, one hundred four thousand, three hundred forty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 143115031 286230062 572460124 715575155 1001805217 1431150310 2003610434 2862300620 4007220868 5009026085 10018052170 20036104340