2211012020 has 48 divisors (see below), whose sum is σ = 5396388480. Its totient is φ = 745209984.

The previous prime is 2211012019. The next prime is 2211012029. The reversal of 2211012020 is 202101122.

It is a happy number.

2211012020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 2211011992 and 2211012010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2211012029) 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, 125579 + ... + 142098.

It is an arithmetic number, because the mean of its divisors is an integer number (112424760).

Almost surely, 2^2211012020 is an apocalyptic number.

2211012020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2211012020 is an abundant number, since it is smaller than the sum of its proper divisors (3185376460).

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

2211012020 is a wasteful number, since it uses less digits than its factorization.

2211012020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267752 (or 267750 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 2211012020 is about 47021.3995963540. The cubic root of 2211012020 is about 1302.7578572968.

Adding to 2211012020 its reverse (202101122), we get a palindrome (2413113142).

The spelling of 2211012020 in words is "two billion, two hundred eleven million, twelve thousand, twenty".