213033020 has 12 divisors (see below), whose sum is σ = 447369384. Its totient is φ = 85213200.

The previous prime is 213033019. The next prime is 213033047. The reversal of 213033020 is 20330312.

It is a super-2 number, since 2×213033020² = 90766135220640800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 213032986 and 213033004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5325806 + ... + 5325845.

It is an arithmetic number, because the mean of its divisors is an integer number (37280782).

Almost surely, 2^213033020 is an apocalyptic number.

213033020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213033020 is an abundant number, since it is smaller than the sum of its proper divisors (234336364).

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

213033020 is a wasteful number, since it uses less digits than its factorization.

213033020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10651660 (or 10651658 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 14.

The square root of 213033020 is about 14595.6507220473. The cubic root of 213033020 is about 597.2401208729.

Adding to 213033020 its reverse (20330312), we get a palindrome (233363332).

The spelling of 213033020 in words is "two hundred thirteen million, thirty-three thousand, twenty".