202102023201 has 16 divisors (see below), whose sum is σ = 302815072896. Its totient is φ = 118963063296.

The previous prime is 202102023197. The next prime is 202102023251. The reversal of 202102023201 is 102320201202.

It is a happy number.

It is not a de Polignac number, because 202102023201 - 2² = 202102023197 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (202102023251) 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, 112653520 + ... + 112655313.

It is an arithmetic number, because the mean of its divisors is an integer number (18925942056).

Almost surely, 2^202102023201 is an apocalyptic number.

It is an amenable number.

202102023201 is a deficient number, since it is larger than the sum of its proper divisors (100713049695).

202102023201 is a wasteful number, since it uses less digits than its factorization.

202102023201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225308872.

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

Adding to 202102023201 its reverse (102320201202), we get a palindrome (304422224403).

The spelling of 202102023201 in words is "two hundred two billion, one hundred two million, twenty-three thousand, two hundred one".