20858858200 has 48 divisors (see below), whose sum is σ = 48950137080. Its totient is φ = 8265557760.

The previous prime is 20858858173. The next prime is 20858858201. The reversal of 20858858200 is 285885802.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20858858201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 465957 + ... + 508756.

Almost surely, 2^20858858200 is an apocalyptic number.

20858858200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20858858200 is an abundant number, since it is smaller than the sum of its proper divisors (28091278880).

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

20858858200 is a wasteful number, since it uses less digits than its factorization.

20858858200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 974836 (or 974827 counting only the distinct ones).

The product of its (nonzero) digits is 409600, while the sum is 46.

The spelling of 20858858200 in words is "twenty billion, eight hundred fifty-eight million, eight hundred fifty-eight thousand, two hundred".