230220479682 has 18 divisors (see below), whose sum is σ = 498815449977. Its totient is φ = 76739481336.

The previous prime is 230220479663. The next prime is 230220479683. The reversal of 230220479682 is 286974022032.

It can be written as a sum of positive squares in 2 ways, for example, as 221115312441 + 9105167241 = 470229^2 + 95421^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=339279.

It is a super-2 number, since 2×230220479682² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (230220479683) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1979128 + ... + 2092220.

Almost surely, 2^230220479682 is an apocalyptic number.

230220479682 is an abundant number, since it is smaller than the sum of its proper divisors (268594970295).

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

230220479682 is an frugal number, since it uses more digits than its factorization.

230220479682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226194 (or 113098 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 45.

The spelling of 230220479682 in words is "two hundred thirty billion, two hundred twenty million, four hundred seventy-nine thousand, six hundred eighty-two".