2220263940 has 24 divisors (see below), whose sum is σ = 6216739200. Its totient is φ = 592070368.

The previous prime is 2220263917. The next prime is 2220263951. The reversal of 2220263940 is 493620222.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 2220263898 and 2220263907.

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, 18502140 + ... + 18502259.

It is an arithmetic number, because the mean of its divisors is an integer number (259030800).

Almost surely, 2^2220263940 is an apocalyptic number.

2220263940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2220263940 is an abundant number, since it is smaller than the sum of its proper divisors (3996475260).

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

2220263940 is a wasteful number, since it uses less digits than its factorization.

2220263940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37004411 (or 37004409 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 2220263940 is about 47119.6767815740. The cubic root of 2220263940 is about 1304.5724469517.

The spelling of 2220263940 in words is "two billion, two hundred twenty million, two hundred sixty-three thousand, nine hundred forty".