2220020044 has 24 divisors (see below), whose sum is σ = 4244825088. Its totient is φ = 1007527440.

The previous prime is 2220020003. The next prime is 2220020107. The reversal of 2220020044 is 4400200222.

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, 10524 + ... + 67459.

It is an arithmetic number, because the mean of its divisors is an integer number (176867712).

Almost surely, 2^2220020044 is an apocalyptic number.

It is an amenable number.

2220020044 is a deficient number, since it is larger than the sum of its proper divisors (2024805044).

2220020044 is a wasteful number, since it uses less digits than its factorization.

2220020044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78645 (or 78643 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

The square root of 2220020044 is about 47117.0886621829. The cubic root of 2220020044 is about 1304.5246761068.

Adding to 2220020044 its reverse (4400200222), we get a palindrome (6620220266).

The spelling of 2220020044 in words is "two billion, two hundred twenty million, twenty thousand, forty-four".