220446051 has 24 divisors (see below), whose sum is σ = 342763344. Its totient is φ = 125657280.

The previous prime is 220446049. The next prime is 220446067. The reversal of 220446051 is 150644022.

It is not a de Polignac number, because 220446051 - 2¹ = 220446049 is a prime.

It is a super-2 number, since 2×220446051² = 97192922802989202, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (220446071) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 66141 + ... + 69393.

It is an arithmetic number, because the mean of its divisors is an integer number (14281806).

Almost surely, 2^220446051 is an apocalyptic number.

220446051 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

220446051 is a deficient number, since it is larger than the sum of its proper divisors (122317293).

220446051 is a wasteful number, since it uses less digits than its factorization.

220446051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3731 (or 3724 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 220446051 is about 14847.4257364703. The cubic root of 220446051 is about 604.0887869639.

The spelling of 220446051 in words is "two hundred twenty million, four hundred forty-six thousand, fifty-one".