220743557051 has 8 divisors (see below), whose sum is σ = 222686475264. Its totient is φ = 218804545960.

The previous prime is 220743557033. The next prime is 220743557081. The reversal of 220743557051 is 150755347022.

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 220743557051 - 2²² = 220739362747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220743557081) 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, 863231 + ... + 1089336.

It is an arithmetic number, because the mean of its divisors is an integer number (27835809408).

Almost surely, 2^220743557051 is an apocalyptic number.

220743557051 is a deficient number, since it is larger than the sum of its proper divisors (1942918213).

220743557051 is a wasteful number, since it uses less digits than its factorization.

220743557051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1953561.

The product of its (nonzero) digits is 294000, while the sum is 41.

The spelling of 220743557051 in words is "two hundred twenty billion, seven hundred forty-three million, five hundred fifty-seven thousand, fifty-one".