20001010112020 has 24 divisors (see below), whose sum is σ = 48002424269184. Its totient is φ = 6857489181216.

The previous prime is 20001010112009. The next prime is 20001010112051. The reversal of 20001010112020 is 2021101010002.

It is a super-2 number, since 2×20001010112020² (a number of 27 digits) contains 22 as substring.

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 = 20001010111988 and 20001010112006.

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, 71432178832 + ... + 71432179111.

It is an arithmetic number, because the mean of its divisors is an integer number (2000101011216).

Almost surely, 2^{20001010112020} is an apocalyptic number.

20001010112020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20001010112020 is an abundant number, since it is smaller than the sum of its proper divisors (28001414157164).

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

20001010112020 is a wasteful number, since it uses less digits than its factorization.

20001010112020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142864357959 (or 142864357957 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 20001010112020 its reverse (2021101010002), we get a palindrome (22022111122022).

The spelling of 20001010112020 in words is "twenty trillion, one billion, ten million, one hundred twelve thousand, twenty".