20383350500 has 24 divisors (see below), whose sum is σ = 44517238584. Its totient is φ = 8153340000.

The previous prime is 20383350439. The next prime is 20383350539. The reversal of 20383350500 is 505338302.

It can be written as a sum of positive squares in 4 ways, for example, as 486555364 + 19896795136 = 22058^2 + 141056^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20382851 + ... + 20383850.

It is an arithmetic number, because the mean of its divisors is an integer number (1854884941).

Almost surely, 2^20383350500 is an apocalyptic number.

20383350500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20383350500 is an abundant number, since it is smaller than the sum of its proper divisors (24133888084).

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

20383350500 is a wasteful number, since it uses less digits than its factorization.

20383350500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40766720 (or 40766708 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 29.

Adding to 20383350500 its reverse (505338302), we get a palindrome (20888688802).

The spelling of 20383350500 in words is "twenty billion, three hundred eighty-three million, three hundred fifty thousand, five hundred".