30202102032020 has 12 divisors (see below), whose sum is σ = 63424414267284. Its totient is φ = 12080840812800.

The previous prime is 30202102032017. The next prime is 30202102032049. The reversal of 30202102032020 is 2023020120203.

It can be written as a sum of positive squares in 2 ways, for example, as 4312383850384 + 25889718181636 = 2076628^2 + 5088194^2 .

It is a super-2 number, since 2×30202102032020² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 30202102032020.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 755052550781 + ... + 755052550820.

It is an arithmetic number, because the mean of its divisors is an integer number (5285367855607).

Almost surely, 2^{30202102032020} is an apocalyptic number.

It is an amenable number.

30202102032020 is an abundant number, since it is smaller than the sum of its proper divisors (33222312235264).

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

30202102032020 is a wasteful number, since it uses less digits than its factorization.

30202102032020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1510105101610 (or 1510105101608 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 30202102032020 its reverse (2023020120203), we get a palindrome (32225122152223).

The spelling of 30202102032020 in words is "thirty trillion, two hundred two billion, one hundred two million, thirty-two thousand, twenty".