10020310020 has 72 divisors (see below), whose sum is σ = 34737079104. Its totient is φ = 2290356288.

The previous prime is 10020310007. The next prime is 10020310037. The reversal of 10020310020 is 2001302001.

It is a happy number.

It is a super-2 number, since 2×10020310020² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 10020309984 and 10020310011.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3975054 + ... + 3977573.

It is an arithmetic number, because the mean of its divisors is an integer number (482459432).

Almost surely, 2^10020310020 is an apocalyptic number.

10020310020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10020310020 is an abundant number, since it is smaller than the sum of its proper divisors (24716769084).

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

10020310020 is a wasteful number, since it uses less digits than its factorization.

10020310020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7952649 (or 7952644 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

Adding to 10020310020 its reverse (2001302001), we get a palindrome (12021612021).

The spelling of 10020310020 in words is "ten billion, twenty million, three hundred ten thousand, twenty".