220010010977 has 2 divisors, whose sum is σ = 220010010978. Its totient is φ = 220010010976.

The previous prime is 220010010953. The next prime is 220010011003. The reversal of 220010010977 is 779010010022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 153757310161 + 66252700816 = 392119^2 + 257396^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220010010977 is a prime.

It is not a weakly prime, because it can be changed into another prime (220010010677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110005005488 + 110005005489.

It is an arithmetic number, because the mean of its divisors is an integer number (110005005489).

Almost surely, 2^220010010977 is an apocalyptic number.

It is an amenable number.

220010010977 is a deficient number, since it is larger than the sum of its proper divisors (1).

220010010977 is an equidigital number, since it uses as much as digits as its factorization.

220010010977 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1764, while the sum is 29.

Adding to 220010010977 its reverse (779010010022), we get a palindrome (999020020999).

The spelling of 220010010977 in words is "two hundred twenty billion, ten million, ten thousand, nine hundred seventy-seven".