20011332200 has 48 divisors (see below), whose sum is σ = 47220802080. Its totient is φ = 7885056960.

The previous prime is 20011332197. The next prime is 20011332221. The reversal of 20011332200 is 223311002.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 733292 + ... + 760091.

It is an arithmetic number, because the mean of its divisors is an integer number (983766710).

Almost surely, 2^20011332200 is an apocalyptic number.

20011332200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20011332200 is an abundant number, since it is smaller than the sum of its proper divisors (27209469880).

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

20011332200 is a wasteful number, since it uses less digits than its factorization.

20011332200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1493466 (or 1493457 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 20011332200 its reverse (223311002), we get a palindrome (20234643202).

The spelling of 20011332200 in words is "twenty billion, eleven million, three hundred thirty-two thousand, two hundred".