202401021132 has 48 divisors (see below), whose sum is σ = 525369062400. Its totient is φ = 67386563280.

The previous prime is 202401021073. The next prime is 202401021143. The reversal of 202401021132 is 231120104202.

It is a happy number.

202401021132 is a `hidden beast` number, since 20 + 2 + 401 + 0 + 211 + 32 = 666.

It is a super-2 number, since 2×202401021132² (a number of 23 digits) contains 22 as substring.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1026244 + ... + 1207467.

It is an arithmetic number, because the mean of its divisors is an integer number (10945188800).

Almost surely, 2^202401021132 is an apocalyptic number.

It is an amenable number.

202401021132 is an abundant number, since it is smaller than the sum of its proper divisors (322968041268).

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

202401021132 is a wasteful number, since it uses less digits than its factorization.

202401021132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2234563 (or 2234555 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 202401021132 its reverse (231120104202), we get a palindrome (433521125334).

The spelling of 202401021132 in words is "two hundred two billion, four hundred one million, twenty-one thousand, one hundred thirty-two".