30202152020 has 48 divisors (see below), whose sum is σ = 63660772560. Its totient is φ = 12035948544.

The previous prime is 30202152017. The next prime is 30202152037. The reversal of 30202152020 is 2025120203.

It can be written as a sum of positive squares in 8 ways, for example, as 280763536 + 29921388484 = 16756^2 + 172978^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 30202152020.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7026512 + ... + 7030808.

It is an arithmetic number, because the mean of its divisors is an integer number (1326266095).

Almost surely, 2^30202152020 is an apocalyptic number.

It is an amenable number.

30202152020 is an abundant number, since it is smaller than the sum of its proper divisors (33458620540).

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

30202152020 is a wasteful number, since it uses less digits than its factorization.

30202152020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5532 (or 5530 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

Adding to 30202152020 its reverse (2025120203), we get a palindrome (32227272223).

The spelling of 30202152020 in words is "thirty billion, two hundred two million, one hundred fifty-two thousand, twenty".