202012023102 has 16 divisors (see below), whose sum is σ = 409714526592. Its totient is φ = 66388927640.

The previous prime is 202012023067. The next prime is 202012023107. The reversal of 202012023102 is 201320210202.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202012023107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 237102888 + ... + 237103739.

It is an arithmetic number, because the mean of its divisors is an integer number (25607157912).

Almost surely, 2^202012023102 is an apocalyptic number.

202012023102 is an abundant number, since it is smaller than the sum of its proper divisors (207702503490).

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

202012023102 is a wasteful number, since it uses less digits than its factorization.

202012023102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 474206703.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 202012023102 its reverse (201320210202), we get a palindrome (403332233304).

The spelling of 202012023102 in words is "two hundred two billion, twelve million, twenty-three thousand, one hundred two".