213450620 has 12 divisors (see below), whose sum is σ = 448246344. Its totient is φ = 85380240.

The previous prime is 213450599. The next prime is 213450631. The reversal of 213450620 is 26054312.

It is a super-2 number, since 2×213450620² = 91122334356768800, which contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 5336246 + ... + 5336285.

It is an arithmetic number, because the mean of its divisors is an integer number (37353862).

Almost surely, 2^213450620 is an apocalyptic number.

213450620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213450620 is an abundant number, since it is smaller than the sum of its proper divisors (234795724).

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

213450620 is a wasteful number, since it uses less digits than its factorization.

213450620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10672540 (or 10672538 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 213450620 is about 14609.9493496726. The cubic root of 213450620 is about 597.6301146932.

The spelling of 213450620 in words is "two hundred thirteen million, four hundred fifty thousand, six hundred twenty".