20046502500 has 60 divisors (see below), whose sum is σ = 58450277424. Its totient is φ = 5345732000.

The previous prime is 20046502499. The next prime is 20046502507. The reversal of 20046502500 is 520564002.

It is a tau number, because it is divible by the number of its divisors (60).

It is not an unprimeable number, because it can be changed into a prime (20046502507) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1328934 + ... + 1343933.

Almost surely, 2^20046502500 is an apocalyptic number.

20046502500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20046502500 is an abundant number, since it is smaller than the sum of its proper divisors (38403774924).

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

20046502500 is a wasteful number, since it uses less digits than its factorization.

20046502500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2672894 (or 2672877 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The spelling of 20046502500 in words is "twenty billion, forty-six million, five hundred two thousand, five hundred".