213339420 has 144 divisors (see below), whose sum is σ = 767090688. Its totient is φ = 48755520.

The previous prime is 213339419. The next prime is 213339437. The reversal of 213339420 is 24933312.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 30885 + ... + 37155.

Almost surely, 2^213339420 is an apocalyptic number.

213339420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 213339420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (383545344).

213339420 is an abundant number, since it is smaller than the sum of its proper divisors (553751268).

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

213339420 is a wasteful number, since it uses less digits than its factorization.

213339420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6302 (or 6288 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

The square root of 213339420 is about 14606.1432281078. The cubic root of 213339420 is about 597.5263154904.

The spelling of 213339420 in words is "two hundred thirteen million, three hundred thirty-nine thousand, four hundred twenty".