20834708760 has 64 divisors (see below), whose sum is σ = 69449032800. Its totient is φ = 5555922048.

The previous prime is 20834708743. The next prime is 20834708809. The reversal of 20834708760 is 6780743802.

It is a happy number.

20834708760 is a `hidden beast` number, since 20 + 83 + 470 + 87 + 6 + 0 = 666.

It is a super-2 number, since 2×20834708760² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent 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 15 ways as a sum of consecutive naturals, for example, 9644619 + ... + 9646778.

Almost surely, 2^20834708760 is an apocalyptic number.

20834708760 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20834708760 is an abundant number, since it is smaller than the sum of its proper divisors (48614324040).

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

20834708760 is a wasteful number, since it uses less digits than its factorization.

20834708760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19291417 (or 19291407 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 45.

The spelling of 20834708760 in words is "twenty billion, eight hundred thirty-four million, seven hundred eight thousand, seven hundred sixty".