202023440102 has 64 divisors (see below), whose sum is σ = 341172808704. Its totient is φ = 88931351040.

The previous prime is 202023440093. The next prime is 202023440117. The reversal of 202023440102 is 201044320202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 99665213 + ... + 99667239.

It is an arithmetic number, because the mean of its divisors is an integer number (5330825136).

Almost surely, 2^202023440102 is an apocalyptic number.

202023440102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

202023440102 is a deficient number, since it is larger than the sum of its proper divisors (139149368602).

202023440102 is a wasteful number, since it uses less digits than its factorization.

202023440102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3053.

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 202023440102 its reverse (201044320202), we get a palindrome (403067760304).

The spelling of 202023440102 in words is "two hundred two billion, twenty-three million, four hundred forty thousand, one hundred two".