202120320000 has 660 divisors, whose sum is σ = 707267976800. Its totient is φ = 51296256000.

The previous prime is 202120319981. The next prime is 202120320019. The reversal of 202120320000 is 23021202.

It is an interprime number because it is at equal distance from previous prime (202120319981) and next prime (202120320019).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

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 59 ways as a sum of consecutive naturals, for example, 1015679901 + ... + 1015680099.

Almost surely, 2^202120320000 is an apocalyptic number.

202120320000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 202120320000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (353633988400).

202120320000 is an abundant number, since it is smaller than the sum of its proper divisors (505147656800).

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

202120320000 is an equidigital number, since it uses as much as digits as its factorization.

202120320000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288 (or 232 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

Adding to 202120320000 its reverse (23021202), we get a palindrome (202143341202).

The spelling of 202120320000 in words is "two hundred two billion, one hundred twenty million, three hundred twenty thousand".