20332500420 has 48 divisors (see below), whose sum is σ = 56950185600. Its totient is φ = 5420173056.

The previous prime is 20332500413. The next prime is 20332500449. The reversal of 20332500420 is 2400523302.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 127369 + ... + 238511.

It is an arithmetic number, because the mean of its divisors is an integer number (1186462200).

Almost surely, 2^20332500420 is an apocalyptic number.

20332500420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20332500420 is an abundant number, since it is smaller than the sum of its proper divisors (36617685180).

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

20332500420 is a wasteful number, since it uses less digits than its factorization.

20332500420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114204 (or 114202 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 21.

The spelling of 20332500420 in words is "twenty billion, three hundred thirty-two million, five hundred thousand, four hundred twenty".