20834012458 has 32 divisors (see below), whose sum is σ = 36880220160. Its totient is φ = 8637868080.

The previous prime is 20834012417. The next prime is 20834012471. The reversal of 20834012458 is 85421043802.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1633735 + ... + 1646437.

It is an arithmetic number, because the mean of its divisors is an integer number (1152506880).

Almost surely, 2^20834012458 is an apocalyptic number.

20834012458 is a deficient number, since it is larger than the sum of its proper divisors (16046207702).

20834012458 is a wasteful number, since it uses less digits than its factorization.

20834012458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16522.

The product of its (nonzero) digits is 61440, while the sum is 37.

The spelling of 20834012458 in words is "twenty billion, eight hundred thirty-four million, twelve thousand, four hundred fifty-eight".