11010012020 has 48 divisors (see below), whose sum is σ = 26685687168. Its totient is φ = 3737481600.

The previous prime is 11010012019. The next prime is 11010012029. The reversal of 11010012020 is 2021001011.

It is a junction number, because it is equal to n+sod(n) for n = 11010011989 and 11010012007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11010012029) 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, 375182 + ... + 403461.

It is an arithmetic number, because the mean of its divisors is an integer number (555951816).

Almost surely, 2^11010012020 is an apocalyptic number.

11010012020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11010012020 is an abundant number, since it is smaller than the sum of its proper divisors (15675675148).

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

11010012020 is a wasteful number, since it uses less digits than its factorization.

11010012020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 778760 (or 778758 counting only the distinct ones).

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

Adding to 11010012020 its reverse (2021001011), we get a palindrome (13031013031).

The spelling of 11010012020 in words is "eleven billion, ten million, twelve thousand, twenty".