20460264345 has 12 divisors (see below), whose sum is σ = 35464458276. Its totient is φ = 10912140960.

The previous prime is 20460264311. The next prime is 20460264367. The reversal of 20460264345 is 54346206402.

20460264345 is a `hidden beast` number, since 2 + 0 + 4 + 6 + 0 + 2 + 643 + 4 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 11299477401 + 9160786944 = 106299^2 + 95712^2 .

It is not a de Polignac number, because 20460264345 - 2⁷ = 20460264217 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 227336226 + ... + 227336315.

It is an arithmetic number, because the mean of its divisors is an integer number (2955371523).

Almost surely, 2^20460264345 is an apocalyptic number.

It is an amenable number.

20460264345 is a deficient number, since it is larger than the sum of its proper divisors (15004193931).

20460264345 is a wasteful number, since it uses less digits than its factorization.

20460264345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454672552 (or 454672549 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 36.

The spelling of 20460264345 in words is "twenty billion, four hundred sixty million, two hundred sixty-four thousand, three hundred forty-five".