20312117214 has 16 divisors (see below), whose sum is σ = 40754862720. Its totient is φ = 6748934360.

The previous prime is 20312117209. The next prime is 20312117239. The reversal of 20312117214 is 41271121302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5440824 + ... + 5444555.

It is an arithmetic number, because the mean of its divisors is an integer number (2547178920).

Almost surely, 2^20312117214 is an apocalyptic number.

20312117214 is an abundant number, since it is smaller than the sum of its proper divisors (20442745506).

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

20312117214 is a wasteful number, since it uses less digits than its factorization.

20312117214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10885695.

The product of its (nonzero) digits is 672, while the sum is 24.

Adding to 20312117214 its reverse (41271121302), we get a palindrome (61583238516).

The spelling of 20312117214 in words is "twenty billion, three hundred twelve million, one hundred seventeen thousand, two hundred fourteen".