20212112334 has 32 divisors (see below), whose sum is σ = 42562615680. Its totient is φ = 6381152352.

The previous prime is 20212112303. The next prime is 20212112341. The reversal of 20212112334 is 43321121202.

It is a self number, because there is not a number n which added to its sum of digits gives 20212112334.

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, 477064 + ... + 517700.

It is an arithmetic number, because the mean of its divisors is an integer number (1330081740).

Almost surely, 2^20212112334 is an apocalyptic number.

20212112334 is an abundant number, since it is smaller than the sum of its proper divisors (22350503346).

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

20212112334 is a wasteful number, since it uses less digits than its factorization.

20212112334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45024.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 20212112334 its reverse (43321121202), we get a palindrome (63533233536).

The spelling of 20212112334 in words is "twenty billion, two hundred twelve million, one hundred twelve thousand, three hundred thirty-four".