202401102402 has 20 divisors (see below), whose sum is σ = 453528396486. Its totient is φ = 67467034080.

The previous prime is 202401102361. The next prime is 202401102403. The reversal of 202401102402 is 204201104202.

202401102402 is a `hidden beast` number, since 20 + 2 + 401 + 1 + 0 + 240 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 155117034801 + 47284067601 = 393849^2 + 217449^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (202401102403) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 624694599 + ... + 624694922.

Almost surely, 2^202401102402 is an apocalyptic number.

202401102402 is an abundant number, since it is smaller than the sum of its proper divisors (251127294084).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

202401102402 is a wasteful number, since it uses less digits than its factorization.

202401102402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1249389535 (or 1249389526 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 202401102402 its reverse (204201104202), we get a palindrome (406602206604).

The spelling of 202401102402 in words is "two hundred two billion, four hundred one million, one hundred two thousand, four hundred two".