10202320020 has 48 divisors (see below), whose sum is σ = 28632542400. Its totient is φ = 2714328576.

The previous prime is 10202319997. The next prime is 10202320081. The reversal of 10202320020 is 2002320201.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 10202319978 and 10202320005.

It is a congruent number.

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, 170370 + ... + 222329.

It is an arithmetic number, because the mean of its divisors is an integer number (596511300).

Almost surely, 2^10202320020 is an apocalyptic number.

10202320020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10202320020 is an abundant number, since it is smaller than the sum of its proper divisors (18430222380).

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

10202320020 is a wasteful number, since it uses less digits than its factorization.

10202320020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393144 (or 393142 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

Adding to 10202320020 its reverse (2002320201), we get a palindrome (12204640221).

The spelling of 10202320020 in words is "ten billion, two hundred two million, three hundred twenty thousand, twenty".