20834833974 has 16 divisors (see below), whose sum is σ = 41678157312. Its totient is φ = 6943529768.

The previous prime is 20834833949. The next prime is 20834834011. The reversal of 20834833974 is 47933843802.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 321594 + ... + 380909.

It is an arithmetic number, because the mean of its divisors is an integer number (2604884832).

Almost surely, 2^20834833974 is an apocalyptic number.

20834833974 is an abundant number, since it is smaller than the sum of its proper divisors (20843323338).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20834833974 is a wasteful number, since it uses less digits than its factorization.

20834833974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 707451.

The product of its (nonzero) digits is 3483648, while the sum is 51.

The spelling of 20834833974 in words is "twenty billion, eight hundred thirty-four million, eight hundred thirty-three thousand, nine hundred seventy-four".