202020238697 has 16 divisors (see below), whose sum is σ = 215452680192. Its totient is φ = 188981466960.

The previous prime is 202020238661. The next prime is 202020238709. The reversal of 202020238697 is 796832020202.

It is not a de Polignac number, because 202020238697 - 2¹⁶ = 202020173161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202020238627) 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, 1364072 + ... + 1504902.

It is an arithmetic number, because the mean of its divisors is an integer number (13465792512).

Almost surely, 2^202020238697 is an apocalyptic number.

It is an amenable number.

202020238697 is a deficient number, since it is larger than the sum of its proper divisors (13432441495).

202020238697 is a wasteful number, since it uses less digits than its factorization.

202020238697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142228.

The product of its (nonzero) digits is 145152, while the sum is 41.

Adding to 202020238697 its reverse (796832020202), we get a palindrome (998852258899).

The spelling of 202020238697 in words is "two hundred two billion, twenty million, two hundred thirty-eight thousand, six hundred ninety-seven".