210031320300220 has 24 divisors (see below), whose sum is σ = 443375017521408. Its totient is φ = 83572671950400.

The previous prime is 210031320300209. The next prime is 210031320300229. The reversal of 210031320300220 is 22003023130012.

It is a super-2 number, since 2×210031320300220² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210031320300229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27491006691 + ... + 27491014330.

It is an arithmetic number, because the mean of its divisors is an integer number (18473959063392).

Almost surely, 2^{210031320300220} is an apocalyptic number.

210031320300220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210031320300220 is an abundant number, since it is smaller than the sum of its proper divisors (233343697221188).

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

210031320300220 is a wasteful number, since it uses less digits than its factorization.

210031320300220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54982021221 (or 54982021219 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 210031320300220 its reverse (22003023130012), we get a palindrome (232034343430232).

The spelling of 210031320300220 in words is "two hundred ten trillion, thirty-one billion, three hundred twenty million, three hundred thousand, two hundred twenty".