220231310099 has 4 divisors (see below), whose sum is σ = 233186093064. Its totient is φ = 207276527136.

The previous prime is 220231310081. The next prime is 220231310237. The reversal of 220231310099 is 990013132022.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 220231310099 - 2²⁸ = 219962874643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220231310009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6477391457 + ... + 6477391490.

It is an arithmetic number, because the mean of its divisors is an integer number (58296523266).

Almost surely, 2^220231310099 is an apocalyptic number.

220231310099 is a deficient number, since it is larger than the sum of its proper divisors (12954782965).

220231310099 is a wasteful number, since it uses less digits than its factorization.

220231310099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12954782964.

The product of its (nonzero) digits is 5832, while the sum is 32.

The spelling of 220231310099 in words is "two hundred twenty billion, two hundred thirty-one million, three hundred ten thousand, ninety-nine".