220951671048 has 112 divisors (see below), whose sum is σ = 634359012480. Its totient is φ = 72083434464.

The previous prime is 220951670969. The next prime is 220951671049. The reversal of 220951671048 is 840176159022.

220951671048 is a `hidden beast` number, since 2 + 20 + 9 + 516 + 7 + 104 + 8 = 666.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 220951670994 and 220951671012.

It is not an unprimeable number, because it can be changed into a prime (220951671049) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 128940 + ... + 677147.

Almost surely, 2^220951671048 is an apocalyptic number.

It is an amenable number.

220951671048 is an abundant number, since it is smaller than the sum of its proper divisors (413407341432).

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

220951671048 is an equidigital number, since it uses as much as digits as its factorization.

220951671048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 806158 (or 806139 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The spelling of 220951671048 in words is "two hundred twenty billion, nine hundred fifty-one million, six hundred seventy-one thousand, forty-eight".