20320212332112 has 160 divisors (see below), whose sum is σ = 65451313895424. Its totient is φ = 5277622694400.

The previous prime is 20320212332029. The next prime is 20320212332117. The reversal of 20320212332112 is 21123321202302.

It is a super-2 number, since 2×20320212332112² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20320212332117) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 57262653 + ... + 57616419.

Almost surely, 2^{20320212332112} is an apocalyptic number.

20320212332112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20320212332112 is an abundant number, since it is smaller than the sum of its proper divisors (45131101563312).

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

20320212332112 is a wasteful number, since it uses less digits than its factorization.

20320212332112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 369337 (or 369331 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 20320212332112 its reverse (21123321202302), we get a palindrome (41443533534414).

The spelling of 20320212332112 in words is "twenty trillion, three hundred twenty billion, two hundred twelve million, three hundred thirty-two thousand, one hundred twelve".