202023440101 has 12 divisors (see below), whose sum is σ = 235362428940. Its totient is φ = 172900949760.

The previous prime is 202023440093. The next prime is 202023440117. The reversal of 202023440101 is 101044320202.

It can be written as a sum of positive squares in 2 ways, for example, as 160264108900 + 41759331201 = 400330^2 + 204351^2 .

It is not a de Polignac number, because 202023440101 - 2³ = 202023440093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202023440131) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3086316 + ... + 3151093.

It is an arithmetic number, because the mean of its divisors is an integer number (19613535745).

Almost surely, 2^202023440101 is an apocalyptic number.

It is an amenable number.

202023440101 is a deficient number, since it is larger than the sum of its proper divisors (33338988839).

202023440101 is an equidigital number, since it uses as much as digits as its factorization.

202023440101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6238084 (or 6238077 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 202023440101 its reverse (101044320202), we get a palindrome (303067760303).

The spelling of 202023440101 in words is "two hundred two billion, twenty-three million, four hundred forty thousand, one hundred one".