213030210020 has 48 divisors (see below), whose sum is σ = 456943431168. Its totient is φ = 83387813760.

The previous prime is 213030210017. The next prime is 213030210047. The reversal of 213030210020 is 20012030312.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 213030209977 and 213030210004.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11884865 + ... + 11902775.

It is an arithmetic number, because the mean of its divisors is an integer number (9519654816).

Almost surely, 2^213030210020 is an apocalyptic number.

213030210020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213030210020 is an abundant number, since it is smaller than the sum of its proper divisors (243913221148).

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

213030210020 is a wasteful number, since it uses less digits than its factorization.

213030210020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30620 (or 30618 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 213030210020 its reverse (20012030312), we get a palindrome (233042240332).

The spelling of 213030210020 in words is "two hundred thirteen billion, thirty million, two hundred ten thousand, twenty".