20212132231320 has 64 divisors (see below), whose sum is σ = 61403946048000. Its totient is φ = 5321675319168.

The previous prime is 20212132231301. The next prime is 20212132231373. The reversal of 20212132231320 is 2313223121202.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1066031250 + ... + 1066050209.

It is an arithmetic number, because the mean of its divisors is an integer number (959436657000).

Almost surely, 2^{20212132231320} is an apocalyptic number.

20212132231320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20212132231320 is an abundant number, since it is smaller than the sum of its proper divisors (41191813816680).

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

20212132231320 is a wasteful number, since it uses less digits than its factorization.

20212132231320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2132081552 (or 2132081548 counting only the distinct ones).

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

Adding to 20212132231320 its reverse (2313223121202), we get a palindrome (22525355352522).

The spelling of 20212132231320 in words is "twenty trillion, two hundred twelve billion, one hundred thirty-two million, two hundred thirty-one thousand, three hundred twenty".