20834527028 has 12 divisors (see below), whose sum is σ = 41669054112. Its totient is φ = 8929083000.

The previous prime is 20834527013. The next prime is 20834527031. The reversal of 20834527028 is 82072543802.

It is a happy number.

20834527028 is an admirable number.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

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 3 ways as a sum of consecutive naturals, for example, 372045098 + ... + 372045153.

It is an arithmetic number, because the mean of its divisors is an integer number (3472421176).

Almost surely, 2^20834527028 is an apocalyptic number.

20834527028 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

20834527028 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20834527028 is a wasteful number, since it uses less digits than its factorization.

20834527028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 744090262 (or 744090260 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 41.

The spelling of 20834527028 in words is "twenty billion, eight hundred thirty-four million, five hundred twenty-seven thousand, twenty-eight".