220202010091 has 8 divisors (see below), whose sum is σ = 251663310080. Its totient is φ = 188741677608.

The previous prime is 220202009947. The next prime is 220202010107. The reversal of 220202010091 is 190010202022.

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 220202010091 - 2³⁵ = 185842271723 is a prime.

It is not an unprimeable number, because it can be changed into a prime (220202013091) 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, 338770 + ... + 745096.

It is an arithmetic number, because the mean of its divisors is an integer number (31457913760).

Almost surely, 2^220202010091 is an apocalyptic number.

220202010091 is a deficient number, since it is larger than the sum of its proper divisors (31461299989).

220202010091 is an equidigital number, since it uses as much as digits as its factorization.

220202010091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 483753.

The product of its (nonzero) digits is 144, while the sum is 19.

The spelling of 220202010091 in words is "two hundred twenty billion, two hundred two million, ten thousand, ninety-one".