20426551351 has 2 divisors, whose sum is σ = 20426551352. Its totient is φ = 20426551350.

The previous prime is 20426551319. The next prime is 20426551463. The reversal of 20426551351 is 15315562402.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20426551351 - 2⁵ = 20426551319 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20426551051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10213275675 + 10213275676.

It is an arithmetic number, because the mean of its divisors is an integer number (10213275676).

Almost surely, 2^20426551351 is an apocalyptic number.

20426551351 is a deficient number, since it is larger than the sum of its proper divisors (1).

20426551351 is an equidigital number, since it uses as much as digits as its factorization.

20426551351 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36000, while the sum is 34.

The spelling of 20426551351 in words is "twenty billion, four hundred twenty-six million, five hundred fifty-one thousand, three hundred fifty-one".