200020905920 has 112 divisors (see below), whose sum is σ = 519945689088. Its totient is φ = 72686453760.

The previous prime is 200020905907. The next prime is 200020905977. The reversal of 200020905920 is 29509020002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5497709 + ... + 5533971.

It is an arithmetic number, because the mean of its divisors is an integer number (4642372224).

Almost surely, 2^200020905920 is an apocalyptic number.

200020905920 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 200020905920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (259972844544).

200020905920 is an abundant number, since it is smaller than the sum of its proper divisors (319924783168).

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

200020905920 is a wasteful number, since it uses less digits than its factorization.

200020905920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37858 (or 37848 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 29.

Adding to 200020905920 its reverse (29509020002), we get a palindrome (229529925922).

The spelling of 200020905920 in words is "two hundred billion, twenty million, nine hundred five thousand, nine hundred twenty".