20383858220 has 48 divisors (see below), whose sum is σ = 46720751616. Its totient is φ = 7408632000.

The previous prime is 20383858171. The next prime is 20383858321. The reversal of 20383858220 is 2285838302.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 442475 + ... + 486365.

It is an arithmetic number, because the mean of its divisors is an integer number (973348992).

Almost surely, 2^20383858220 is an apocalyptic number.

20383858220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20383858220 is an abundant number, since it is smaller than the sum of its proper divisors (26336893396).

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

20383858220 is a wasteful number, since it uses less digits than its factorization.

20383858220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46022 (or 46020 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 41.

The spelling of 20383858220 in words is "twenty billion, three hundred eighty-three million, eight hundred fifty-eight thousand, two hundred twenty".