202210112001220 has 24 divisors (see below), whose sum is σ = 449620131391704. Its totient is φ = 76126159812096.

The previous prime is 202210112001187. The next prime is 202210112001277. The reversal of 202210112001220 is 22100211012202.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 76798020848704 + 125412091152516 = 8763448^2 + 11198754^2 .

It is a junction number, because it is equal to n+sod(n) for n = 202210112001194 and 202210112001203.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 297367811427 + ... + 297367812106.

It is an arithmetic number, because the mean of its divisors is an integer number (18734172141321).

Almost surely, 2^{202210112001220} is an apocalyptic number.

202210112001220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202210112001220 is an abundant number, since it is smaller than the sum of its proper divisors (247410019390484).

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

202210112001220 is a wasteful number, since it uses less digits than its factorization.

202210112001220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 594735623559 (or 594735623557 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 202210112001220 its reverse (22100211012202), we get a palindrome (224310323013422).

The spelling of 202210112001220 in words is "two hundred two trillion, two hundred ten billion, one hundred twelve million, one thousand, two hundred twenty".