213966417020 has 12 divisors (see below), whose sum is σ = 449329475784. Its totient is φ = 85586566800.

The previous prime is 213966417013. The next prime is 213966417083. The reversal of 213966417020 is 20714669312.

213966417020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×213966417020² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 5349160406 + ... + 5349160445.

It is an arithmetic number, because the mean of its divisors is an integer number (37444122982).

Almost surely, 2^213966417020 is an apocalyptic number.

213966417020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213966417020 is an abundant number, since it is smaller than the sum of its proper divisors (235363058764).

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

213966417020 is a wasteful number, since it uses less digits than its factorization.

213966417020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10698320860 (or 10698320858 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 41.

The spelling of 213966417020 in words is "two hundred thirteen billion, nine hundred sixty-six million, four hundred seventeen thousand, twenty".