220479137659 has 8 divisors (see below), whose sum is σ = 242904109680. Its totient is φ = 198451068000.

The previous prime is 220479137651. The next prime is 220479137737. The reversal of 220479137659 is 956731974022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 220479137659 - 2³ = 220479137651 is a prime.

It is a super-2 number, since 2×220479137659² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220479137651) 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, 99224424 + ... + 99226645.

It is an arithmetic number, because the mean of its divisors is an integer number (30363013710).

Almost surely, 2^220479137659 is an apocalyptic number.

220479137659 is a deficient number, since it is larger than the sum of its proper divisors (22424972021).

220479137659 is a wasteful number, since it uses less digits than its factorization.

220479137659 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198451181.

The product of its (nonzero) digits is 5715360, while the sum is 55.

The spelling of 220479137659 in words is "two hundred twenty billion, four hundred seventy-nine million, one hundred thirty-seven thousand, six hundred fifty-nine".