20767502963 has 2 divisors, whose sum is σ = 20767502964. Its totient is φ = 20767502962.

The previous prime is 20767502879. The next prime is 20767502969. The reversal of 20767502963 is 36920576702.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20767502963 - 2²⁴ = 20750725747 is a prime.

It is not a weakly prime, because it can be changed into another prime (20767502969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10383751481 + 10383751482.

It is an arithmetic number, because the mean of its divisors is an integer number (10383751482).

Almost surely, 2^20767502963 is an apocalyptic number.

20767502963 is a deficient number, since it is larger than the sum of its proper divisors (1).

20767502963 is an equidigital number, since it uses as much as digits as its factorization.

20767502963 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 952560, while the sum is 47.

The spelling of 20767502963 in words is "twenty billion, seven hundred sixty-seven million, five hundred two thousand, nine hundred sixty-three".