20212032320 has 56 divisors (see below), whose sum is σ = 48151292064. Its totient is φ = 8081220096.

The previous prime is 20212032317. The next prime is 20212032329. The reversal of 20212032320 is 2323021202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20212032329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 776639 + ... + 802241.

Almost surely, 2^20212032320 is an apocalyptic number.

20212032320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20212032320 is an abundant number, since it is smaller than the sum of its proper divisors (27939259744).

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

20212032320 is a wasteful number, since it uses less digits than its factorization.

20212032320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28087 (or 28077 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 20212032320 its reverse (2323021202), we get a palindrome (22535053522).

The spelling of 20212032320 in words is "twenty billion, two hundred twelve million, thirty-two thousand, three hundred twenty".