20403040967 has 2 divisors, whose sum is σ = 20403040968. Its totient is φ = 20403040966.

The previous prime is 20403040949. The next prime is 20403041023. The reversal of 20403040967 is 76904030402.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20403040967 - 2³² = 16108073671 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20403040067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10201520483 + 10201520484.

It is an arithmetic number, because the mean of its divisors is an integer number (10201520484).

Almost surely, 2^20403040967 is an apocalyptic number.

20403040967 is a deficient number, since it is larger than the sum of its proper divisors (1).

20403040967 is an equidigital number, since it uses as much as digits as its factorization.

20403040967 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 35.

The spelling of 20403040967 in words is "twenty billion, four hundred three million, forty thousand, nine hundred sixty-seven".