213002012220 has 24 divisors (see below), whose sum is σ = 596405634384. Its totient is φ = 56800536576.

The previous prime is 213002012191. The next prime is 213002012231. The reversal of 213002012220 is 22210200312.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 213002012220.

It is a congruent number.

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, 1775016709 + ... + 1775016828.

It is an arithmetic number, because the mean of its divisors is an integer number (24850234766).

Almost surely, 2^213002012220 is an apocalyptic number.

213002012220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213002012220 is an abundant number, since it is smaller than the sum of its proper divisors (383403622164).

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

213002012220 is a wasteful number, since it uses less digits than its factorization.

213002012220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3550033549 (or 3550033547 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 213002012220 its reverse (22210200312), we get a palindrome (235212212532).

The spelling of 213002012220 in words is "two hundred thirteen billion, two million, twelve thousand, two hundred twenty".