202120522452320 has 96 divisors (see below), whose sum is σ = 484307848507392. Its totient is φ = 79704245325312.

The previous prime is 202120522452293. The next prime is 202120522452353. The reversal of 202120522452320 is 23254225021202.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23824052 + ... + 31174131.

It is an arithmetic number, because the mean of its divisors is an integer number (5044873421952).

Almost surely, 2^{202120522452320} is an apocalyptic number.

202120522452320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202120522452320 is an abundant number, since it is smaller than the sum of its proper divisors (282187326055072).

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

202120522452320 is a wasteful number, since it uses less digits than its factorization.

202120522452320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54998524 (or 54998516 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 32.

Adding to 202120522452320 its reverse (23254225021202), we get a palindrome (225374747473522).

The spelling of 202120522452320 in words is "two hundred two trillion, one hundred twenty billion, five hundred twenty-two million, four hundred fifty-two thousand, three hundred twenty".