20584653234 has 16 divisors (see below), whose sum is σ = 41170716288. Its totient is φ = 6861316112.

The previous prime is 20584653227. The next prime is 20584653247. The reversal of 20584653234 is 43235648502.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 294124 + ... + 357320.

It is an arithmetic number, because the mean of its divisors is an integer number (2573169768).

Almost surely, 2^20584653234 is an apocalyptic number.

20584653234 is an abundant number, since it is smaller than the sum of its proper divisors (20586063054).

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

20584653234 is a wasteful number, since it uses less digits than its factorization.

20584653234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117489.

The product of its (nonzero) digits is 691200, while the sum is 42.

The spelling of 20584653234 in words is "twenty billion, five hundred eighty-four million, six hundred fifty-three thousand, two hundred thirty-four".