20000212320 has 96 divisors (see below), whose sum is σ = 68728020480. Its totient is φ = 4848535040.

The previous prime is 20000212319. The next prime is 20000212363. The reversal of 20000212320 is 2321200002.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 20000212296 and 20000212305.

It is a congruent number.

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, 1888680 + ... + 1899239.

It is an arithmetic number, because the mean of its divisors is an integer number (715916880).

Almost surely, 2^20000212320 is an apocalyptic number.

20000212320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20000212320 is an abundant number, since it is smaller than the sum of its proper divisors (48727808160).

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

20000212320 is a wasteful number, since it uses less digits than its factorization.

20000212320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3787948 (or 3787940 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

Adding to 20000212320 its reverse (2321200002), we get a palindrome (22321412322).

The spelling of 20000212320 in words is "twenty billion, two hundred twelve thousand, three hundred twenty".