20022200951 has 2 divisors, whose sum is σ = 20022200952. Its totient is φ = 20022200950.

The previous prime is 20022200927. The next prime is 20022200977. The reversal of 20022200951 is 15900222002.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20022200951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20022200351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10011100475 + 10011100476.

It is an arithmetic number, because the mean of its divisors is an integer number (10011100476).

Almost surely, 2^20022200951 is an apocalyptic number.

20022200951 is a deficient number, since it is larger than the sum of its proper divisors (1).

20022200951 is an equidigital number, since it uses as much as digits as its factorization.

20022200951 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 23.

Adding to 20022200951 its reverse (15900222002), we get a palindrome (35922422953).

The spelling of 20022200951 in words is "twenty billion, twenty-two million, two hundred thousand, nine hundred fifty-one".