20102310020 has 36 divisors (see below), whose sum is σ = 45711946980. Its totient is φ = 7422390144.

The previous prime is 20102310001. The next prime is 20102310029. The reversal of 20102310020 is 2001320102.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 5040148036 + 15062161984 = 70994^2 + 122728^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20102309983 and 20102310010.

It is not an unprimeable number, because it can be changed into a prime (20102310029) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2970335 + ... + 2977094.

It is an arithmetic number, because the mean of its divisors is an integer number (1269776305).

Almost surely, 2^20102310020 is an apocalyptic number.

20102310020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20102310020 is an abundant number, since it is smaller than the sum of its proper divisors (25609636960).

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

20102310020 is a wasteful number, since it uses less digits than its factorization.

20102310020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5947464 (or 5947449 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 20102310020 its reverse (2001320102), we get a palindrome (22103630122).

The spelling of 20102310020 in words is "twenty billion, one hundred two million, three hundred ten thousand, twenty".