22011660200 has 48 divisors (see below), whose sum is σ = 51189446880. Its totient is φ = 8802541760.

The previous prime is 22011660199. The next prime is 22011660263. The reversal of 22011660200 is 206611022.

It is a happy number.

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

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, 1018709 + ... + 1040091.

It is an arithmetic number, because the mean of its divisors is an integer number (1066446810).

Almost surely, 2^22011660200 is an apocalyptic number.

22011660200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22011660200 is an abundant number, since it is smaller than the sum of its proper divisors (29177786680).

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

22011660200 is a wasteful number, since it uses less digits than its factorization.

22011660200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26546 (or 26537 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The spelling of 22011660200 in words is "twenty-two billion, eleven million, six hundred sixty thousand, two hundred".