20045323038 has 64 divisors (see below), whose sum is σ = 46555488000. Its totient is φ = 5700637440.

The previous prime is 20045322991. The next prime is 20045323049. The reversal of 20045323038 is 83032354002.

It is a junction number, because it is equal to n+sod(n) for n = 20045322996 and 20045323014.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 104188 + ... + 225711.

It is an arithmetic number, because the mean of its divisors is an integer number (727429500).

Almost surely, 2^20045323038 is an apocalyptic number.

20045323038 is an abundant number, since it is smaller than the sum of its proper divisors (26510164962).

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

20045323038 is a wasteful number, since it uses less digits than its factorization.

20045323038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329977.

The product of its (nonzero) digits is 17280, while the sum is 30.

The spelling of 20045323038 in words is "twenty billion, forty-five million, three hundred twenty-three thousand, thirty-eight".