20734110768 has 40 divisors (see below), whose sum is σ = 61214994688. Its totient is φ = 5924031552.

The previous prime is 20734110763. The next prime is 20734110781. The reversal of 20734110768 is 86701143702.

It is not an unprimeable number, because it can be changed into a prime (20734110763) by changing a digit.

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, 30853996 + ... + 30854667.

Almost surely, 2^20734110768 is an apocalyptic number.

20734110768 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

20734110768 is an abundant number, since it is smaller than the sum of its proper divisors (40480883920).

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

20734110768 is a wasteful number, since it uses less digits than its factorization.

20734110768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61708681 (or 61708675 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 39.

The spelling of 20734110768 in words is "twenty billion, seven hundred thirty-four million, one hundred ten thousand, seven hundred sixty-eight".