252020030 has 16 divisors (see below), whose sum is σ = 464701104. Its totient is φ = 98349120.

The previous prime is 252020029. The next prime is 252020051. The reversal of 252020030 is 30020252.

252020030 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 252019987 and 252020014.

It is a congruent number.

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, 306932 + ... + 307751.

It is an arithmetic number, because the mean of its divisors is an integer number (29043819).

Almost surely, 2^252020030 is an apocalyptic number.

252020030 is a deficient number, since it is larger than the sum of its proper divisors (212681074).

252020030 is a wasteful number, since it uses less digits than its factorization.

252020030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 614731.

The product of its (nonzero) digits is 120, while the sum is 14.

The square root of 252020030 is about 15875.1387395512. The cubic root of 252020030 is about 631.6526943332.

Adding to 252020030 its reverse (30020252), we get a palindrome (282040282).

The spelling of 252020030 in words is "two hundred fifty-two million, twenty thousand, thirty".