20246915383 has 2 divisors, whose sum is σ = 20246915384. Its totient is φ = 20246915382.

The previous prime is 20246915327. The next prime is 20246915399. The reversal of 20246915383 is 38351964202.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20246915383 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20246915683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10123457691 + 10123457692.

It is an arithmetic number, because the mean of its divisors is an integer number (10123457692).

Almost surely, 2^20246915383 is an apocalyptic number.

20246915383 is a deficient number, since it is larger than the sum of its proper divisors (1).

20246915383 is an equidigital number, since it uses as much as digits as its factorization.

20246915383 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 311040, while the sum is 43.

The spelling of 20246915383 in words is "twenty billion, two hundred forty-six million, nine hundred fifteen thousand, three hundred eighty-three".