20465456402 has 8 divisors (see below), whose sum is σ = 30939902976. Its totient is φ = 10152155412.

The previous prime is 20465456399. The next prime is 20465456413.

20465456402 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40286078 + ... + 40286585.

It is an arithmetic number, because the mean of its divisors is an integer number (3867487872).

Almost surely, 2^20465456402 is an apocalyptic number.

20465456402 is a deficient number, since it is larger than the sum of its proper divisors (10474446574).

20465456402 is a wasteful number, since it uses less digits than its factorization.

20465456402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80572792.

The product of its (nonzero) digits is 230400, while the sum is 38.

The spelling of 20465456402 in words is "twenty billion, four hundred sixty-five million, four hundred fifty-six thousand, four hundred two".