10020312020 has 24 divisors (see below), whose sum is σ = 21957554304. Its totient is φ = 3833858336.

The previous prime is 10020312019. The next prime is 10020312031. The reversal of 10020312020 is 2021302001.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 10020311992 and 10020312010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10891184 + ... + 10892103.

It is an arithmetic number, because the mean of its divisors is an integer number (914898096).

Almost surely, 2^10020312020 is an apocalyptic number.

10020312020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10020312020 is an abundant number, since it is smaller than the sum of its proper divisors (11937242284).

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

10020312020 is a wasteful number, since it uses less digits than its factorization.

10020312020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21783319 (or 21783317 counting only the distinct ones).

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

Adding to 10020312020 its reverse (2021302001), we get a palindrome (12041614021).

The spelling of 10020312020 in words is "ten billion, twenty million, three hundred twelve thousand, twenty".