220120022120057 has 2 divisors, whose sum is σ = 220120022120058. Its totient is φ = 220120022120056.

The previous prime is 220120022120017. The next prime is 220120022120081. The reversal of 220120022120057 is 750021220021022.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 208079788350841 + 12040233769216 = 14424971^2 + 3469904^2 .

It is a cyclic number.

It is not a de Polignac number, because 220120022120057 - 2¹⁰ = 220120022119033 is a prime.

It is not a weakly prime, because it can be changed into another prime (220120022120017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110060011060028 + 110060011060029.

It is an arithmetic number, because the mean of its divisors is an integer number (110060011060029).

Almost surely, 2^{220120022120057} is an apocalyptic number.

It is an amenable number.

220120022120057 is a deficient number, since it is larger than the sum of its proper divisors (1).

220120022120057 is an equidigital number, since it uses as much as digits as its factorization.

220120022120057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2240, while the sum is 26.

Adding to 220120022120057 its reverse (750021220021022), we get a palindrome (970141242141079).

The spelling of 220120022120057 in words is "two hundred twenty trillion, one hundred twenty billion, twenty-two million, one hundred twenty thousand, fifty-seven".