20120120963 has 2 divisors, whose sum is σ = 20120120964. Its totient is φ = 20120120962.

The previous prime is 20120120957. The next prime is 20120121029. The reversal of 20120120963 is 36902102102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20120120963 - 2⁴ = 20120120947 is a prime.

It is not a weakly prime, because it can be changed into another prime (20120120903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10060060481 + 10060060482.

It is an arithmetic number, because the mean of its divisors is an integer number (10060060482).

Almost surely, 2^20120120963 is an apocalyptic number.

20120120963 is a deficient number, since it is larger than the sum of its proper divisors (1).

20120120963 is an equidigital number, since it uses as much as digits as its factorization.

20120120963 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 26.

The spelling of 20120120963 in words is "twenty billion, one hundred twenty million, one hundred twenty thousand, nine hundred sixty-three".