20930829300 has 126 divisors (see below), whose sum is σ = 68098934358. Its totient is φ = 5581535040.

The previous prime is 20930829299. The next prime is 20930829307. The reversal of 20930829300 is 392803902.

20930829300 is a `hidden beast` number, since 20 + 9 + 308 + 29 + 300 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 18198756 + 20912630544 = 4266^2 + 144612^2 .

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20930829307) by changing a digit.

It is a polite number, since it can be written in 41 ways as a sum of consecutive naturals, for example, 70659 + ... + 216458.

It is an arithmetic number, because the mean of its divisors is an integer number (540467733).

Almost surely, 2^20930829300 is an apocalyptic number.

20930829300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20930829300 is an abundant number, since it is smaller than the sum of its proper divisors (47168105058).

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

20930829300 is a wasteful number, since it uses less digits than its factorization.

20930829300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287149 (or 287127 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The spelling of 20930829300 in words is "twenty billion, nine hundred thirty million, eight hundred twenty-nine thousand, three hundred".