202020202101010 has 32 divisors (see below), whose sum is σ = 385110023190912. Its totient is φ = 76141033985280.

The previous prime is 202020202100971. The next prime is 202020202101019. The reversal of 202020202101010 is 10101202020202.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (202020202101019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6554825671 + ... + 6554856490.

It is an arithmetic number, because the mean of its divisors is an integer number (12034688224716).

Almost surely, 2^{202020202101010} is an apocalyptic number.

202020202101010 is a deficient number, since it is larger than the sum of its proper divisors (183089821089902).

202020202101010 is a wasteful number, since it uses less digits than its factorization.

202020202101010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13109682258.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 202020202101010 its reverse (10101202020202), we get a palindrome (212121404121212).

The spelling of 202020202101010 in words is "two hundred two trillion, twenty billion, two hundred two million, one hundred one thousand, ten".