20260335465 has 16 divisors (see below), whose sum is σ = 36018374400. Its totient is φ = 10805512176.

The previous prime is 20260335439. The next prime is 20260335517. The reversal of 20260335465 is 56453306202.

20260335465 is a `hidden beast` number, since 2 + 0 + 2 + 603 + 3 + 5 + 46 + 5 = 666.

It is not a de Polignac number, because 20260335465 - 2⁶ = 20260335401 is a prime.

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, 75038145 + ... + 75038414.

It is an arithmetic number, because the mean of its divisors is an integer number (2251148400).

Almost surely, 2^20260335465 is an apocalyptic number.

It is an amenable number.

20260335465 is a deficient number, since it is larger than the sum of its proper divisors (15758038935).

20260335465 is a wasteful number, since it uses less digits than its factorization.

20260335465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150076573 (or 150076567 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 36.

The spelling of 20260335465 in words is "twenty billion, two hundred sixty million, three hundred thirty-five thousand, four hundred sixty-five".