20212200330020 has 24 divisors (see below), whose sum is σ = 42497320630968. Its totient is φ = 8075032524800.

The previous prime is 20212200329989. The next prime is 20212200330079. The reversal of 20212200330020 is 2003300221202.

It can be written as a sum of positive squares in 4 ways, for example, as 531744307264 + 19680456022756 = 729208^2 + 4436266^2 .

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, 615458621 + ... + 615491460.

It is an arithmetic number, because the mean of its divisors is an integer number (1770721692957).

Almost surely, 2^{20212200330020} is an apocalyptic number.

20212200330020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20212200330020 is an abundant number, since it is smaller than the sum of its proper divisors (22285120300948).

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

20212200330020 is a wasteful number, since it uses less digits than its factorization.

20212200330020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1230950911 (or 1230950909 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 20212200330020 its reverse (2003300221202), we get a palindrome (22215500551222).

The spelling of 20212200330020 in words is "twenty trillion, two hundred twelve billion, two hundred million, three hundred thirty thousand, twenty".