20022200377 has 2 divisors, whose sum is σ = 20022200378. Its totient is φ = 20022200376.

The previous prime is 20022200369. The next prime is 20022200417. The reversal of 20022200377 is 77300222002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13976204841 + 6045995536 = 118221^2 + 77756^2 .

It is a cyclic number.

It is not a de Polignac number, because 20022200377 - 2³ = 20022200369 is a prime.

It is not a weakly prime, because it can be changed into another prime (20022200977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10011100188 + 10011100189.

It is an arithmetic number, because the mean of its divisors is an integer number (10011100189).

Almost surely, 2^20022200377 is an apocalyptic number.

It is an amenable number.

20022200377 is a deficient number, since it is larger than the sum of its proper divisors (1).

20022200377 is an equidigital number, since it uses as much as digits as its factorization.

20022200377 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2352, while the sum is 25.

Adding to 20022200377 its reverse (77300222002), we get a palindrome (97322422379).

The spelling of 20022200377 in words is "twenty billion, twenty-two million, two hundred thousand, three hundred seventy-seven".