213002202020220 has 72 divisors (see below), whose sum is σ = 646119750996720. Its totient is φ = 56799438059520.

The previous prime is 213002202020177. The next prime is 213002202020291. The reversal of 213002202020220 is 22020202200312.

213002202020220 is a `hidden beast` number, since 21 + 3 + 0 + 0 + 220 + 202 + 0 + 220 = 666.

It is a super-2 number, since 2×213002202020220² (a number of 29 digits) contains 22 as substring.

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 = 213002202020193 and 213002202020202.

It is a congruent number.

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, 3029925 + ... + 20861084.

It is an arithmetic number, because the mean of its divisors is an integer number (8973885430510).

Almost surely, 2^{213002202020220} is an apocalyptic number.

213002202020220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213002202020220 is an abundant number, since it is smaller than the sum of its proper divisors (433117548976500).

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

213002202020220 is a wasteful number, since it uses less digits than its factorization.

213002202020220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23940555 (or 23940550 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 213002202020220 its reverse (22020202200312), we get a palindrome (235022404220532).

The spelling of 213002202020220 in words is "two hundred thirteen trillion, two billion, two hundred two million, twenty thousand, two hundred twenty".