20754841832 has 16 divisors (see below), whose sum is σ = 39140275140. Its totient is φ = 10317435136.

The previous prime is 20754841831. The next prime is 20754841841. The reversal of 20754841832 is 23814845702.

It can be written as a sum of positive squares in 2 ways, for example, as 19486484836 + 1268356996 = 139594^2 + 35614^2 .

It is not an unprimeable number, because it can be changed into a prime (20754841831) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7496753 + ... + 7499520.

Almost surely, 2^20754841832 is an apocalyptic number.

It is an amenable number.

20754841832 is a deficient number, since it is larger than the sum of its proper divisors (18385433308).

20754841832 is a wasteful number, since it uses less digits than its factorization.

20754841832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14996452 (or 14996448 counting only the distinct ones).

The product of its (nonzero) digits is 430080, while the sum is 44.

The spelling of 20754841832 in words is "twenty billion, seven hundred fifty-four million, eight hundred forty-one thousand, eight hundred thirty-two".