20051663036 has 6 divisors (see below), whose sum is σ = 35090410320. Its totient is φ = 10025831516.

The previous prime is 20051663029. The next prime is 20051663057. The reversal of 20051663036 is 63036615002.

It is a junction number, because it is equal to n+sod(n) for n = 20051662993 and 20051663011.

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, 2506457876 + ... + 2506457883.

It is an arithmetic number, because the mean of its divisors is an integer number (5848401720).

Almost surely, 2^20051663036 is an apocalyptic number.

It is an amenable number.

20051663036 is a deficient number, since it is larger than the sum of its proper divisors (15038747284).

20051663036 is a wasteful number, since it uses less digits than its factorization.

20051663036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5012915763 (or 5012915761 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 32.

The spelling of 20051663036 in words is "twenty billion, fifty-one million, six hundred sixty-three thousand, thirty-six".