20022454351 has 2 divisors, whose sum is σ = 20022454352. Its totient is φ = 20022454350.

The previous prime is 20022454343. The next prime is 20022454357. The reversal of 20022454351 is 15345422002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20022454351 - 2³ = 20022454343 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20022454357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10011227175 + 10011227176.

It is an arithmetic number, because the mean of its divisors is an integer number (10011227176).

Almost surely, 2^20022454351 is an apocalyptic number.

20022454351 is a deficient number, since it is larger than the sum of its proper divisors (1).

20022454351 is an equidigital number, since it uses as much as digits as its factorization.

20022454351 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9600, while the sum is 28.

Adding to 20022454351 its reverse (15345422002), we get a palindrome (35367876353).

The spelling of 20022454351 in words is "twenty billion, twenty-two million, four hundred fifty-four thousand, three hundred fifty-one".