220403738811 has 4 divisors (see below), whose sum is σ = 293871651752. Its totient is φ = 146935825872.

The previous prime is 220403738803. The next prime is 220403738831. The reversal of 220403738811 is 118837304022.

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

It is not a de Polignac number, because 220403738811 - 2³ = 220403738803 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 220403738811.

It is not an unprimeable number, because it can be changed into a prime (220403738831) 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, 36733956466 + ... + 36733956471.

It is an arithmetic number, because the mean of its divisors is an integer number (73467912938).

Almost surely, 2^220403738811 is an apocalyptic number.

220403738811 is a deficient number, since it is larger than the sum of its proper divisors (73467912941).

220403738811 is an equidigital number, since it uses as much as digits as its factorization.

220403738811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73467912940.

The product of its (nonzero) digits is 64512, while the sum is 39.

The spelling of 220403738811 in words is "two hundred twenty billion, four hundred three million, seven hundred thirty-eight thousand, eight hundred eleven".