202120130030 has 64 divisors (see below), whose sum is σ = 447937596288. Its totient is φ = 63944294400.

The previous prime is 202120129973. The next prime is 202120130071. The reversal of 202120130030 is 30031021202.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 202120129987 and 202120130014.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2538830 + ... + 2617230.

It is an arithmetic number, because the mean of its divisors is an integer number (6999024942).

Almost surely, 2^202120130030 is an apocalyptic number.

202120130030 is an abundant number, since it is smaller than the sum of its proper divisors (245817466258).

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

202120130030 is a wasteful number, since it uses less digits than its factorization.

202120130030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81261.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 202120130030 its reverse (30031021202), we get a palindrome (232151151232).

The spelling of 202120130030 in words is "two hundred two billion, one hundred twenty million, one hundred thirty thousand, thirty".