20053751936 has 16 divisors (see below), whose sum is σ = 39950834190. Its totient is φ = 10026875904.

The previous prime is 20053751929. The next prime is 20053751999. The reversal of 20053751936 is 63915735002.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 19392233536 + 661518400 = 139256^2 + 25720^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a junction number, because it is equal to n+sod(n) for n = 20053751893 and 20053751902.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78334841 + ... + 78335096.

Almost surely, 2^20053751936 is an apocalyptic number.

It is an amenable number.

20053751936 is a deficient number, since it is larger than the sum of its proper divisors (19897082254).

20053751936 is an equidigital number, since it uses as much as digits as its factorization.

20053751936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156669951 (or 156669939 counting only the distinct ones).

The product of its (nonzero) digits is 170100, while the sum is 41.

The spelling of 20053751936 in words is "twenty billion, fifty-three million, seven hundred fifty-one thousand, nine hundred thirty-six".