20044007355 has 16 divisors (see below), whose sum is σ = 32203489824. Its totient is φ = 10645777920.

The previous prime is 20044007329. The next prime is 20044007359. The reversal of 20044007355 is 55370044002.

It is not a de Polignac number, because 20044007355 - 2²⁰ = 20042958779 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20044007359) 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, 2768724 + ... + 2775953.

It is an arithmetic number, because the mean of its divisors is an integer number (2012718114).

Almost surely, 2^20044007355 is an apocalyptic number.

20044007355 is a deficient number, since it is larger than the sum of its proper divisors (12159482469).

20044007355 is a wasteful number, since it uses less digits than its factorization.

20044007355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5544926.

The product of its (nonzero) digits is 16800, while the sum is 30.

The spelling of 20044007355 in words is "twenty billion, forty-four million, seven thousand, three hundred fifty-five".