202106102052 has 24 divisors (see below), whose sum is σ = 471639272832. Its totient is φ = 67360362400.

The previous prime is 202106101937. The next prime is 202106102059. The reversal of 202106102052 is 250201601202.

It is a happy number.

It is a super-2 number, since 2×202106102052² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (202106102059) 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, 940899 + ... + 1135562.

It is an arithmetic number, because the mean of its divisors is an integer number (19651636368).

Almost surely, 2^202106102052 is an apocalyptic number.

It is an amenable number.

202106102052 is an abundant number, since it is smaller than the sum of its proper divisors (269533170780).

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

202106102052 is a wasteful number, since it uses less digits than its factorization.

202106102052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2084579 (or 2084577 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

Adding to 202106102052 its reverse (250201601202), we get a palindrome (452307703254).

The spelling of 202106102052 in words is "two hundred two billion, one hundred six million, one hundred two thousand, fifty-two".