20335510379 has 2 divisors, whose sum is σ = 20335510380. Its totient is φ = 20335510378.

The previous prime is 20335510343. The next prime is 20335510411. The reversal of 20335510379 is 97301553302.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20335510379 - 2³² = 16040543083 is a prime.

It is not a weakly prime, because it can be changed into another prime (20335510339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10167755189 + 10167755190.

It is an arithmetic number, because the mean of its divisors is an integer number (10167755190).

Almost surely, 2^20335510379 is an apocalyptic number.

20335510379 is a deficient number, since it is larger than the sum of its proper divisors (1).

20335510379 is an equidigital number, since it uses as much as digits as its factorization.

20335510379 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 85050, while the sum is 38.

The spelling of 20335510379 in words is "twenty billion, three hundred thirty-five million, five hundred ten thousand, three hundred seventy-nine".