210152420 has 24 divisors (see below), whose sum is σ = 449649144. Its totient is φ = 82474496.

The previous prime is 210152399. The next prime is 210152443. The reversal of 210152420 is 24251012.

210152420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 35331136 + 174821284 = 5944^2 + 13222^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98069 + ... + 100188.

It is an arithmetic number, because the mean of its divisors is an integer number (18735381).

Almost surely, 2^210152420 is an apocalyptic number.

210152420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210152420 is an abundant number, since it is smaller than the sum of its proper divisors (239496724).

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

210152420 is a wasteful number, since it uses less digits than its factorization.

210152420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198319 (or 198317 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 210152420 is about 14496.6347819071. The cubic root of 210152420 is about 594.5359656707.

The spelling of 210152420 in words is "two hundred ten million, one hundred fifty-two thousand, four hundred twenty".