202212210222020 has 48 divisors (see below), whose sum is σ = 424977498067248. Its totient is φ = 80821680046080.

The previous prime is 202212210222019. The next prime is 202212210222053. The reversal of 202212210222020 is 20222012212202.

It can be written as a sum of positive squares in 8 ways, for example, as 21737059939204 + 180475150282816 = 4662302^2 + 13434104^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 202212210221983 and 202212210222001.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 503394692 + ... + 503796228.

It is an arithmetic number, because the mean of its divisors is an integer number (8853697876401).

Almost surely, 2^{202212210222020} is an apocalyptic number.

202212210222020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202212210222020 is an abundant number, since it is smaller than the sum of its proper divisors (222765287845228).

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

202212210222020 is a wasteful number, since it uses less digits than its factorization.

202212210222020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421160 (or 421158 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 202212210222020 its reverse (20222012212202), we get a palindrome (222434222434222).

The spelling of 202212210222020 in words is "two hundred two trillion, two hundred twelve billion, two hundred ten million, two hundred twenty-two thousand, twenty".