20088821044 has 12 divisors (see below), whose sum is σ = 35251230784. Its totient is φ = 10017040824.

The previous prime is 20088821041. The next prime is 20088821047. The reversal of 20088821044 is 44012888002.

It is an interprime number because it is at equal distance from previous prime (20088821041) and next prime (20088821047).

It is a junction number, because it is equal to n+sod(n) for n = 20088820994 and 20088821012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20088821041) 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, 6840774 + ... + 6843709.

Almost surely, 2^20088821044 is an apocalyptic number.

It is an amenable number.

20088821044 is a deficient number, since it is larger than the sum of its proper divisors (15162409740).

20088821044 is a wasteful number, since it uses less digits than its factorization.

20088821044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13684854 (or 13684852 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 37.

The spelling of 20088821044 in words is "twenty billion, eighty-eight million, eight hundred twenty-one thousand, forty-four".