202120545372 has 12 divisors (see below), whose sum is σ = 471614605896. Its totient is φ = 67373515120.

The previous prime is 202120545311. The next prime is 202120545373. The reversal of 202120545372 is 273545021202.

202120545372 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×202120545372² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202120545373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8421689379 + ... + 8421689402.

It is an arithmetic number, because the mean of its divisors is an integer number (39301217158).

Almost surely, 2^202120545372 is an apocalyptic number.

It is an amenable number.

202120545372 is an abundant number, since it is smaller than the sum of its proper divisors (269494060524).

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

202120545372 is a wasteful number, since it uses less digits than its factorization.

202120545372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16843378788 (or 16843378786 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 33.

Adding to 202120545372 its reverse (273545021202), we get a palindrome (475665566574).

The spelling of 202120545372 in words is "two hundred two billion, one hundred twenty million, five hundred forty-five thousand, three hundred seventy-two".