10100213020 has 12 divisors (see below), whose sum is σ = 21210447384. Its totient is φ = 4040085200.

The previous prime is 10100212999. The next prime is 10100213023. The reversal of 10100213020 is 2031200101.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 10100212988 and 10100213006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10100213023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 252505306 + ... + 252505345.

It is an arithmetic number, because the mean of its divisors is an integer number (1767537282).

Almost surely, 2^10100213020 is an apocalyptic number.

10100213020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10100213020 is an abundant number, since it is smaller than the sum of its proper divisors (11110234364).

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

10100213020 is a wasteful number, since it uses less digits than its factorization.

10100213020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505010660 (or 505010658 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 10.

Adding to 10100213020 its reverse (2031200101), we get a palindrome (12131413121).

The spelling of 10100213020 in words is "ten billion, one hundred million, two hundred thirteen thousand, twenty".