213023203020 has 96 divisors (see below), whose sum is σ = 665379671040. Its totient is φ = 56579832000.

The previous prime is 213023203007. The next prime is 213023203049. The reversal of 213023203020 is 20302320312.

It is a happy number.

213023203020 is a `hidden beast` number, since 2 + 130 + 232 + 0 + 302 + 0 = 666.

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 = 213023202984 and 213023203002.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 650292 + ... + 921371.

It is an arithmetic number, because the mean of its divisors is an integer number (6931038240).

Almost surely, 2^213023203020 is an apocalyptic number.

213023203020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213023203020 is an abundant number, since it is smaller than the sum of its proper divisors (452356468020).

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

213023203020 is a wasteful number, since it uses less digits than its factorization.

213023203020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1571932 (or 1571924 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 213023203020 its reverse (20302320312), we get a palindrome (233325523332).

The spelling of 213023203020 in words is "two hundred thirteen billion, twenty-three million, two hundred three thousand, twenty".