20353272912 has 60 divisors (see below), whose sum is σ = 65098169760. Its totient is φ = 5815220544.

The previous prime is 20353272911. The next prime is 20353272959. The reversal of 20353272912 is 21927235302.

It is a happy number.

20353272912 is a `hidden beast` number, since 20 + 353 + 272 + 9 + 12 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20353272911) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10094862 + ... + 10096877.

It is an arithmetic number, because the mean of its divisors is an integer number (1084969496).

Almost surely, 2^20353272912 is an apocalyptic number.

It is an amenable number.

20353272912 is an abundant number, since it is smaller than the sum of its proper divisors (44744896848).

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

20353272912 is a wasteful number, since it uses less digits than its factorization.

20353272912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20191760 (or 20191751 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The spelling of 20353272912 in words is "twenty billion, three hundred fifty-three million, two hundred seventy-two thousand, nine hundred twelve".