20768474300 has 72 divisors (see below), whose sum is σ = 51542117760. Its totient is φ = 7115601600.

The previous prime is 20768474291. The next prime is 20768474357. The reversal of 20768474300 is 347486702.

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 23 ways as a sum of consecutive naturals, for example, 1062011 + ... + 1081389.

Almost surely, 2^20768474300 is an apocalyptic number.

20768474300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20768474300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25771058880).

20768474300 is an abundant number, since it is smaller than the sum of its proper divisors (30773643460).

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

20768474300 is a wasteful number, since it uses less digits than its factorization.

20768474300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20931 (or 20924 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 41.

The spelling of 20768474300 in words is "twenty billion, seven hundred sixty-eight million, four hundred seventy-four thousand, three hundred".