220719974399 has 4 divisors (see below), whose sum is σ = 220746968760. Its totient is φ = 220692980040.

The previous prime is 220719974353. The next prime is 220719974401. The reversal of 220719974399 is 993479917022.

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 220719974399 - 2⁸ = 220719974143 is a prime.

It is a super-2 number, since 2×220719974399² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220719574399) 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, 13484912 + ... + 13501269.

It is an arithmetic number, because the mean of its divisors is an integer number (55186742190).

Almost surely, 2^220719974399 is an apocalyptic number.

220719974399 is a deficient number, since it is larger than the sum of its proper divisors (26994361).

220719974399 is an equidigital number, since it uses as much as digits as its factorization.

220719974399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26994360.

The product of its (nonzero) digits is 15431472, while the sum is 62.

The spelling of 220719974399 in words is "two hundred twenty billion, seven hundred nineteen million, nine hundred seventy-four thousand, three hundred ninety-nine".