220671489402 has 192 divisors, whose sum is σ = 626443960320. Its totient is φ = 56321179200.

The previous prime is 220671489391. The next prime is 220671489403. The reversal of 220671489402 is 204984176022.

220671489402 is a `hidden beast` number, since 220 + 6 + 7 + 14 + 8 + 9 + 402 = 666.

It is not an unprimeable number, because it can be changed into a prime (220671489403) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1924627 + ... + 2036057.

It is an arithmetic number, because the mean of its divisors is an integer number (3262728960).

Almost surely, 2^220671489402 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 220671489402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (313221980160).

220671489402 is an abundant number, since it is smaller than the sum of its proper divisors (405772470918).

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

220671489402 is a wasteful number, since it uses less digits than its factorization.

220671489402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111506 (or 111487 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The spelling of 220671489402 in words is "two hundred twenty billion, six hundred seventy-one million, four hundred eighty-nine thousand, four hundred two".