201312213020 has 48 divisors (see below), whose sum is σ = 424093077408. Its totient is φ = 80270403840.

The previous prime is 201312212947. The next prime is 201312213041. The reversal of 201312213020 is 20312213102.

201312213020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×201312213020² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 201312213020.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 13816259 + ... + 13830821.

It is an arithmetic number, because the mean of its divisors is an integer number (8835272446).

Almost surely, 2^201312213020 is an apocalyptic number.

201312213020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201312213020 is an abundant number, since it is smaller than the sum of its proper divisors (222780864388).

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

201312213020 is a wasteful number, since it uses less digits than its factorization.

201312213020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16710 (or 16708 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 201312213020 its reverse (20312213102), we get a palindrome (221624426122).

The spelling of 201312213020 in words is "two hundred one billion, three hundred twelve million, two hundred thirteen thousand, twenty".