20740104272 has 40 divisors (see below), whose sum is σ = 41948565120. Its totient is φ = 9915044480.

The previous prime is 20740104257. The next prime is 20740104293. The reversal of 20740104272 is 27240104702.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 987254 + ... + 1008042.

It is an arithmetic number, because the mean of its divisors is an integer number (1048714128).

Almost surely, 2^20740104272 is an apocalyptic number.

It is an amenable number.

20740104272 is an abundant number, since it is smaller than the sum of its proper divisors (21208460848).

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

20740104272 is a wasteful number, since it uses less digits than its factorization.

20740104272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23531 (or 23525 counting only the distinct ones).

The product of its (nonzero) digits is 6272, while the sum is 29.

Adding to 20740104272 its reverse (27240104702), we get a palindrome (47980208974).

The spelling of 20740104272 in words is "twenty billion, seven hundred forty million, one hundred four thousand, two hundred seventy-two".