202210320130020 has 72 divisors (see below), whose sum is σ = 623426571713400. Its totient is φ = 53038772490240.

The previous prime is 202210320129971. The next prime is 202210320130031. The reversal of 202210320130020 is 20031023012202.

202210320130020 is a `hidden beast` number, since 2 + 0 + 2 + 21 + 0 + 320 + 1 + 300 + 20 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 8873976282084 + 193336343847936 = 2978922^2 + 13904544^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 202210320129975 and 202210320130002.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9208109245 + ... + 9208131204.

Almost surely, 2^{202210320130020} is an apocalyptic number.

202210320130020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202210320130020 is an abundant number, since it is smaller than the sum of its proper divisors (421216251583380).

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

202210320130020 is a wasteful number, since it uses less digits than its factorization.

202210320130020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18416240525 (or 18416240520 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 202210320130020 its reverse (20031023012202), we get a palindrome (222241343142222).

The spelling of 202210320130020 in words is "two hundred two trillion, two hundred ten billion, three hundred twenty million, one hundred thirty thousand, twenty".