202012020102 has 16 divisors (see below), whose sum is σ = 427790160432. Its totient is φ = 63376320000.

The previous prime is 202012020101. The next prime is 202012020137. The reversal of 202012020102 is 201020210202.

202012020102 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202012020101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 990254899 + ... + 990255102.

It is an arithmetic number, because the mean of its divisors is an integer number (26736885027).

Almost surely, 2^202012020102 is an apocalyptic number.

202012020102 is an abundant number, since it is smaller than the sum of its proper divisors (225778140330).

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

202012020102 is a wasteful number, since it uses less digits than its factorization.

202012020102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1980510023.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 202012020102 its reverse (201020210202), we get a palindrome (403032230304).

The spelling of 202012020102 in words is "two hundred two billion, twelve million, twenty thousand, one hundred two".