20533140200 has 24 divisors (see below), whose sum is σ = 47739551430. Its totient is φ = 8213256000.

The previous prime is 20533140179. The next prime is 20533140203. The reversal of 20533140200 is 204133502.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 16516876324 + 4016263876 = 128518^2 + 63374^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (20533140203) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 51332651 + ... + 51333050.

Almost surely, 2^20533140200 is an apocalyptic number.

20533140200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20533140200 is an abundant number, since it is smaller than the sum of its proper divisors (27206411230).

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

20533140200 is a wasteful number, since it uses less digits than its factorization.

20533140200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102665717 (or 102665708 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

Adding to 20533140200 its reverse (204133502), we get a palindrome (20737273702).

The spelling of 20533140200 in words is "twenty billion, five hundred thirty-three million, one hundred forty thousand, two hundred".