220403982 has 32 divisors (see below), whose sum is σ = 455761152. Its totient is φ = 71011584.

The previous prime is 220403977. The next prime is 220403983. The reversal of 220403982 is 289304022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220403983) 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, 20623 + ... + 29429.

It is an arithmetic number, because the mean of its divisors is an integer number (14242536).

Almost surely, 2^220403982 is an apocalyptic number.

220403982 is an abundant number, since it is smaller than the sum of its proper divisors (235357170).

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

220403982 is a wasteful number, since it uses less digits than its factorization.

220403982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8952.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 220403982 is about 14846.0089586394. The cubic root of 220403982 is about 604.0503572622.

The spelling of 220403982 in words is "two hundred twenty million, four hundred three thousand, nine hundred eighty-two".