1220677160 has 32 divisors (see below), whose sum is σ = 2865939840. Its totient is φ = 467041344.

The previous prime is 1220677153. The next prime is 1220677169. The reversal of 1220677160 is 617760221.

It is not an unprimeable number, because it can be changed into a prime (1220677169) 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, 662492 + ... + 664331.

It is an arithmetic number, because the mean of its divisors is an integer number (89560620).

Almost surely, 2^1220677160 is an apocalyptic number.

1220677160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1220677160 is an abundant number, since it is smaller than the sum of its proper divisors (1645262680).

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

1220677160 is a wasteful number, since it uses less digits than its factorization.

1220677160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1326857 (or 1326853 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 32.

The square root of 1220677160 is about 34938.1905656260. The cubic root of 1220677160 is about 1068.7273891002.

The spelling of 1220677160 in words is "one billion, two hundred twenty million, six hundred seventy-seven thousand, one hundred sixty".