20162032200 has 72 divisors (see below), whose sum is σ = 67710830850. Its totient is φ = 5376541440.

The previous prime is 20162032199. The next prime is 20162032237. The reversal of 20162032200 is 223026102.

20162032200 is a `hidden beast` number, since 20 + 1 + 620 + 3 + 2 + 20 + 0 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 17836670916 + 2325361284 = 133554^2 + 48222^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 5598765 + ... + 5602364.

Almost surely, 2^20162032200 is an apocalyptic number.

20162032200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20162032200 is an abundant number, since it is smaller than the sum of its proper divisors (47548798650).

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

20162032200 is a wasteful number, since it uses less digits than its factorization.

20162032200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11201151 (or 11201139 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 20162032200 its reverse (223026102), we get a palindrome (20385058302).

The spelling of 20162032200 in words is "twenty billion, one hundred sixty-two million, thirty-two thousand, two hundred".