20036500104 has 32 divisors (see below), whose sum is σ = 50101380000. Its totient is φ = 6677482752.

The previous prime is 20036500091. The next prime is 20036500139. The reversal of 20036500104 is 40100563002.

It is a happy number.

It is a super-2 number, since 2×20036500104² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40512 + ... + 204240.

It is an arithmetic number, because the mean of its divisors is an integer number (1565668125).

Almost surely, 2^20036500104 is an apocalyptic number.

20036500104 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20036500104 is an abundant number, since it is smaller than the sum of its proper divisors (30064879896).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20036500104 is a wasteful number, since it uses less digits than its factorization.

20036500104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168837 (or 168833 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The spelling of 20036500104 in words is "twenty billion, thirty-six million, five hundred thousand, one hundred four".