20624022479 has 2 divisors, whose sum is σ = 20624022480. Its totient is φ = 20624022478.

The previous prime is 20624022443. The next prime is 20624022491. The reversal of 20624022479 is 97422042602.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20624022479 - 2¹⁶ = 20623956943 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20624022409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10312011239 + 10312011240.

It is an arithmetic number, because the mean of its divisors is an integer number (10312011240).

Almost surely, 2^20624022479 is an apocalyptic number.

20624022479 is a deficient number, since it is larger than the sum of its proper divisors (1).

20624022479 is an equidigital number, since it uses as much as digits as its factorization.

20624022479 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96768, while the sum is 38.

The spelling of 20624022479 in words is "twenty billion, six hundred twenty-four million, twenty-two thousand, four hundred seventy-nine".