213313001020 has 48 divisors (see below), whose sum is σ = 511979811840. Its totient is φ = 73131799104.

The previous prime is 213313001003. The next prime is 213313001101. The reversal of 213313001020 is 20100313312.

It is a junction number, because it is equal to n+sod(n) for n = 213313000985 and 213313001003.

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, 3551277 + ... + 3610843.

It is an arithmetic number, because the mean of its divisors is an integer number (10666246080).

Almost surely, 2^213313001020 is an apocalyptic number.

213313001020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213313001020 is an abundant number, since it is smaller than the sum of its proper divisors (298666810820).

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

213313001020 is a wasteful number, since it uses less digits than its factorization.

213313001020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85162 (or 85160 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 213313001020 its reverse (20100313312), we get a palindrome (233413314332).

The spelling of 213313001020 in words is "two hundred thirteen billion, three hundred thirteen million, one thousand, twenty".