213332210020 has 24 divisors (see below), whose sum is σ = 448038622584. Its totient is φ = 85325078016.

The previous prime is 213332210011. The next prime is 213332210081. The reversal of 213332210020 is 20012233312.

213332210020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1039804516 + 212292405504 = 32246^2 + 460752^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 213332210020.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 261207 + ... + 703486.

It is an arithmetic number, because the mean of its divisors is an integer number (18668275941).

Almost surely, 2^213332210020 is an apocalyptic number.

213332210020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213332210020 is an abundant number, since it is smaller than the sum of its proper divisors (234706412564).

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

213332210020 is a wasteful number, since it uses less digits than its factorization.

213332210020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 975759 (or 975757 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 213332210020 its reverse (20012233312), we get a palindrome (233344443332).

The spelling of 213332210020 in words is "two hundred thirteen billion, three hundred thirty-two million, two hundred ten thousand, twenty".