20353259312 has 40 divisors (see below), whose sum is σ = 42110221440. Its totient is φ = 9508746240.

The previous prime is 20353259309. The next prime is 20353259317. The reversal of 20353259312 is 21395235302.

It is not an unprimeable number, because it can be changed into a prime (20353259317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 693113 + ... + 721880.

It is an arithmetic number, because the mean of its divisors is an integer number (1052755536).

Almost surely, 2^20353259312 is an apocalyptic number.

It is an amenable number.

20353259312 is an abundant number, since it is smaller than the sum of its proper divisors (21756962128).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20353259312 is a wasteful number, since it uses less digits than its factorization.

20353259312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1415061 (or 1415055 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 35.

The spelling of 20353259312 in words is "twenty billion, three hundred fifty-three million, two hundred fifty-nine thousand, three hundred twelve".