213102023020 has 48 divisors (see below), whose sum is σ = 452392970400. Its totient is φ = 84313203200.

The previous prime is 213102022967. The next prime is 213102023033. The reversal of 213102023020 is 20320201312.

It is a junction number, because it is equal to n+sod(n) for n = 213102022985 and 213102023003.

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, 2006616 + ... + 2110144.

It is an arithmetic number, because the mean of its divisors is an integer number (9424853550).

Almost surely, 2^213102023020 is an apocalyptic number.

213102023020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213102023020 is an abundant number, since it is smaller than the sum of its proper divisors (239290947380).

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

213102023020 is a wasteful number, since it uses less digits than its factorization.

213102023020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104658 (or 104656 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 213102023020 its reverse (20320201312), we get a palindrome (233422224332).

The spelling of 213102023020 in words is "two hundred thirteen billion, one hundred two million, twenty-three thousand, twenty".