20120945296 has 10 divisors (see below), whose sum is σ = 38984331542. Its totient is φ = 10060472640.

The previous prime is 20120945279. The next prime is 20120945297. The reversal of 20120945296 is 69254902102.

It can be written as a sum of positive squares in only one way, i.e., 15197958400 + 4922986896 = 123280^2 + 70164^2 .

It is not an unprimeable number, because it can be changed into a prime (20120945297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 628779525 + ... + 628779556.

Almost surely, 2^20120945296 is an apocalyptic number.

It is an amenable number.

20120945296 is a deficient number, since it is larger than the sum of its proper divisors (18863386246).

20120945296 is a wasteful number, since it uses less digits than its factorization.

20120945296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1257559089 (or 1257559083 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 40.

The spelling of 20120945296 in words is "twenty billion, one hundred twenty million, nine hundred forty-five thousand, two hundred ninety-six".