100202002120220 has 144 divisors (see below), whose sum is σ = 287572739354208. Its totient is φ = 28829347223040.

The previous prime is 100202002120211. The next prime is 100202002120237. The reversal of 100202002120220 is 22021200202001.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 100202002120195 and 100202002120204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 357366647 + ... + 357646926.

It is an arithmetic number, because the mean of its divisors is an integer number (1997032912182).

Almost surely, 2^{100202002120220} is an apocalyptic number.

100202002120220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100202002120220 is an abundant number, since it is smaller than the sum of its proper divisors (187370737233988).

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

100202002120220 is a wasteful number, since it uses less digits than its factorization.

100202002120220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 715013620 (or 715013611 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 100202002120220 its reverse (22021200202001), we get a palindrome (122223202322221).

The spelling of 100202002120220 in words is "one hundred trillion, two hundred two billion, two million, one hundred twenty thousand, two hundred twenty".