20022454315 has 16 divisors (see below), whose sum is σ = 25387718400. Its totient is φ = 15117194592.

The previous prime is 20022454303. The next prime is 20022454343. The reversal of 20022454315 is 51345422002.

It is a cyclic number.

It is not a de Polignac number, because 20022454315 - 2¹⁵ = 20022421547 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 375705 + ... + 425674.

It is an arithmetic number, because the mean of its divisors is an integer number (1586732400).

Almost surely, 2^20022454315 is an apocalyptic number.

20022454315 is a deficient number, since it is larger than the sum of its proper divisors (5365264085).

20022454315 is a wasteful number, since it uses less digits than its factorization.

20022454315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 801666.

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

Adding to 20022454315 its reverse (51345422002), we get a palindrome (71367876317).

The spelling of 20022454315 in words is "twenty billion, twenty-two million, four hundred fifty-four thousand, three hundred fifteen".