20442373708 has 6 divisors (see below), whose sum is σ = 35774153996. Its totient is φ = 10221186852.

The previous prime is 20442373703. The next prime is 20442373729. The reversal of 20442373708 is 80737324402.

It is not an unprimeable number, because it can be changed into a prime (20442373703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2555296710 + ... + 2555296717.

Almost surely, 2^20442373708 is an apocalyptic number.

It is an amenable number.

20442373708 is a deficient number, since it is larger than the sum of its proper divisors (15331780288).

20442373708 is a wasteful number, since it uses less digits than its factorization.

20442373708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5110593431 (or 5110593429 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 40.

The spelling of 20442373708 in words is "twenty billion, four hundred forty-two million, three hundred seventy-three thousand, seven hundred eight".