20125202044 has 6 divisors (see below), whose sum is σ = 35219103584. Its totient is φ = 10062601020.

The previous prime is 20125202039. The next prime is 20125202081. The reversal of 20125202044 is 44020252102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2515650252 + ... + 2515650259.

Almost surely, 2^20125202044 is an apocalyptic number.

It is an amenable number.

20125202044 is a deficient number, since it is larger than the sum of its proper divisors (15093901540).

20125202044 is a wasteful number, since it uses less digits than its factorization.

20125202044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5031300515 (or 5031300513 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 22.

Adding to 20125202044 its reverse (44020252102), we get a palindrome (64145454146).

The spelling of 20125202044 in words is "twenty billion, one hundred twenty-five million, two hundred two thousand, forty-four".