213201112020 has 96 divisors (see below), whose sum is σ = 643072362240. Its totient is φ = 52464844800.

The previous prime is 213201112001. The next prime is 213201112039. The reversal of 213201112020 is 20211102312.

213201112020 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (213201112001) and next prime (213201112039).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2737620 + ... + 2814420.

It is an arithmetic number, because the mean of its divisors is an integer number (6698670440).

Almost surely, 2^213201112020 is an apocalyptic number.

213201112020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213201112020 is an abundant number, since it is smaller than the sum of its proper divisors (429871250220).

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

213201112020 is a wasteful number, since it uses less digits than its factorization.

213201112020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80385 (or 80383 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 213201112020 its reverse (20211102312), we get a palindrome (233412214332).

It can be divided in two parts, 213201 and 112020, that added together give a triangular number (325221 = T₈₀₆).

The spelling of 213201112020 in words is "two hundred thirteen billion, two hundred one million, one hundred twelve thousand, twenty".