220230213011957 has 2 divisors, whose sum is σ = 220230213011958. Its totient is φ = 220230213011956.

The previous prime is 220230213011951. The next prime is 220230213012059. The reversal of 220230213011957 is 759110312032022.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 110958962094436 + 109271250917521 = 10533706^2 + 10453289^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220230213011957 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 220230213011957.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220230213011951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110115106505978 + 110115106505979.

It is an arithmetic number, because the mean of its divisors is an integer number (110115106505979).

Almost surely, 2^{220230213011957} is an apocalyptic number.

It is an amenable number.

220230213011957 is a deficient number, since it is larger than the sum of its proper divisors (1).

220230213011957 is an equidigital number, since it uses as much as digits as its factorization.

220230213011957 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45360, while the sum is 38.

Adding to 220230213011957 its reverse (759110312032022), we get a palindrome (979340525043979).

The spelling of 220230213011957 in words is "two hundred twenty trillion, two hundred thirty billion, two hundred thirteen million, eleven thousand, nine hundred fifty-seven".