10120011020 has 48 divisors (see below), whose sum is σ = 24686211648. Its totient is φ = 3412834560.

The previous prime is 10120010993. The next prime is 10120011023. The reversal of 10120011020 is 2011002101.

It is a junction number, because it is equal to n+sod(n) for n = 10120010989 and 10120011007.

It is not an unprimeable number, because it can be changed into a prime (10120011023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 583967 + ... + 601046.

It is an arithmetic number, because the mean of its divisors is an integer number (514296076).

Almost surely, 2^10120011020 is an apocalyptic number.

10120011020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10120011020 is an abundant number, since it is smaller than the sum of its proper divisors (14566200628).

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

10120011020 is a wasteful number, since it uses less digits than its factorization.

10120011020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1185090 (or 1185088 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 10120011020 its reverse (2011002101), we get a palindrome (12131013121).

The spelling of 10120011020 in words is "ten billion, one hundred twenty million, eleven thousand, twenty".