20001250250 has 32 divisors (see below), whose sum is σ = 37969731072. Its totient is φ = 7887810000.

The previous prime is 20001250229. The next prime is 20001250273. The reversal of 20001250250 is 5205210002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 545666 + ... + 581165.

It is an arithmetic number, because the mean of its divisors is an integer number (1186554096).

Almost surely, 2^20001250250 is an apocalyptic number.

20001250250 is a deficient number, since it is larger than the sum of its proper divisors (17968480822).

20001250250 is a wasteful number, since it uses less digits than its factorization.

20001250250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1126919 (or 1126909 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 17.

Adding to 20001250250 its reverse (5205210002), we get a palindrome (25206460252).

The spelling of 20001250250 in words is "twenty billion, one million, two hundred fifty thousand, two hundred fifty".