220961012 has 24 divisors (see below), whose sum is σ = 392071680. Its totient is φ = 108947520.

The previous prime is 220961011. The next prime is 220961029. The reversal of 220961012 is 210169022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220961011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 202733 + ... + 203819.

It is an arithmetic number, because the mean of its divisors is an integer number (16336320).

Almost surely, 2^220961012 is an apocalyptic number.

It is an amenable number.

220961012 is a deficient number, since it is larger than the sum of its proper divisors (171110668).

220961012 is a wasteful number, since it uses less digits than its factorization.

220961012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1751 (or 1749 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 220961012 is about 14864.7573811347. The cubic root of 220961012 is about 604.5588040791.

The spelling of 220961012 in words is "two hundred twenty million, nine hundred sixty-one thousand, twelve".