202132021020 has 48 divisors (see below), whose sum is σ = 590577039360. Its totient is φ = 51558312256.

The previous prime is 202132021019. The next prime is 202132021027. The reversal of 202132021020 is 20120231202.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202132021027) by changing a digit.

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, 73234860 + ... + 73237619.

It is an arithmetic number, because the mean of its divisors is an integer number (12303688320).

Almost surely, 2^202132021020 is an apocalyptic number.

202132021020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202132021020 is an abundant number, since it is smaller than the sum of its proper divisors (388445018340).

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

202132021020 is a wasteful number, since it uses less digits than its factorization.

202132021020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146472514 (or 146472512 counting only the distinct ones).

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

Adding to 202132021020 its reverse (20120231202), we get a palindrome (222252252222).

The spelling of 202132021020 in words is "two hundred two billion, one hundred thirty-two million, twenty-one thousand, twenty".