20203930965 has 16 divisors (see below), whose sum is σ = 32715764928. Its totient is φ = 10645604736.

The previous prime is 20203930949. The next prime is 20203930973. The reversal of 20203930965 is 56903930202.

It is not a de Polignac number, because 20203930965 - 2⁴ = 20203930949 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8112784 + ... + 8115273.

It is an arithmetic number, because the mean of its divisors is an integer number (2044735308).

Almost surely, 2^20203930965 is an apocalyptic number.

It is an amenable number.

20203930965 is a deficient number, since it is larger than the sum of its proper divisors (12511833963).

20203930965 is a wasteful number, since it uses less digits than its factorization.

20203930965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16228148.

The product of its (nonzero) digits is 87480, while the sum is 39.

The spelling of 20203930965 in words is "twenty billion, two hundred three million, nine hundred thirty thousand, nine hundred sixty-five".