20846452859474 has 32 divisors (see below), whose sum is σ = 35922797870400. Its totient is φ = 8973183378240.

The previous prime is 20846452859473. The next prime is 20846452859509. The reversal of 20846452859474 is 47495825464802.

It is a super-2 number, since 2×20846452859474² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20846452859473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9439217 + ... + 11436420.

It is an arithmetic number, because the mean of its divisors is an integer number (1122587433450).

Almost surely, 2^{20846452859474} is an apocalyptic number.

20846452859474 is a deficient number, since it is larger than the sum of its proper divisors (15076345010926).

20846452859474 is a wasteful number, since it uses less digits than its factorization.

20846452859474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20878058.

The product of its (nonzero) digits is 619315200, while the sum is 68.

The spelling of 20846452859474 in words is "twenty trillion, eight hundred forty-six billion, four hundred fifty-two million, eight hundred fifty-nine thousand, four hundred seventy-four".