20001250404 has 48 divisors (see below), whose sum is σ = 52115728000. Its totient is φ = 6633573408.

The previous prime is 20001250403. The next prime is 20001250427. The reversal of 20001250404 is 40405210002.

20001250404 is a `hidden beast` number, since 200 + 0 + 12 + 50 + 404 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (20001250403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 443827 + ... + 486810.

Almost surely, 2^20001250404 is an apocalyptic number.

It is an amenable number.

20001250404 is an abundant number, since it is smaller than the sum of its proper divisors (32114477596).

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

20001250404 is a wasteful number, since it uses less digits than its factorization.

20001250404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 930849 (or 930841 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

Adding to 20001250404 its reverse (40405210002), we get a palindrome (60406460406).

The spelling of 20001250404 in words is "twenty billion, one million, two hundred fifty thousand, four hundred four".