220280607 has 48 divisors (see below), whose sum is σ = 344916000. Its totient is φ = 138910464.

The previous prime is 220280581. The next prime is 220280617. The reversal of 220280607 is 706082022.

It is a de Polignac number, because none of the positive numbers 2^k-220280607 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220280617) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2020869 + ... + 2020977.

It is an arithmetic number, because the mean of its divisors is an integer number (7185750).

Almost surely, 2^220280607 is an apocalyptic number.

220280607 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

220280607 is a deficient number, since it is larger than the sum of its proper divisors (124635393).

220280607 is a wasteful number, since it uses less digits than its factorization.

220280607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265 (or 230 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 220280607 is about 14841.8532198644. The cubic root of 220280607 is about 603.9376269598.

The spelling of 220280607 in words is "two hundred twenty million, two hundred eighty thousand, six hundred seven".