213031300020 has 192 divisors, whose sum is σ = 767662866432. Its totient is φ = 42838272000.

The previous prime is 213031300007. The next prime is 213031300039. The reversal of 213031300020 is 20003130312.

It is a super-3 number, since 3×213031300020³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 600501 + ... + 886940.

It is an arithmetic number, because the mean of its divisors is an integer number (3998244096).

Almost surely, 2^213031300020 is an apocalyptic number.

213031300020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213031300020 is an abundant number, since it is smaller than the sum of its proper divisors (554631566412).

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

213031300020 is a wasteful number, since it uses less digits than its factorization.

213031300020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1487502 (or 1487500 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 213031300020 its reverse (20003130312), we get a palindrome (233034430332).

The spelling of 213031300020 in words is "two hundred thirteen billion, thirty-one million, three hundred thousand, twenty".