20312012214 has 48 divisors (see below), whose sum is σ = 47416465824. Its totient is φ = 6246979200.

The previous prime is 20312012213. The next prime is 20312012251. The reversal of 20312012214 is 41221021302.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20312012213) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 521994 + ... + 559554.

It is an arithmetic number, because the mean of its divisors is an integer number (987843038).

Almost surely, 2^20312012214 is an apocalyptic number.

20312012214 is an abundant number, since it is smaller than the sum of its proper divisors (27104453610).

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

20312012214 is a wasteful number, since it uses less digits than its factorization.

20312012214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39893 (or 39890 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 20312012214 its reverse (41221021302), we get a palindrome (61533033516).

The spelling of 20312012214 in words is "twenty billion, three hundred twelve million, twelve thousand, two hundred fourteen".