20102412250 has 16 divisors (see below), whose sum is σ = 37631716200. Its totient is φ = 8040964800.

The previous prime is 20102412247. The next prime is 20102412251. The reversal of 20102412250 is 5221420102.

It can be written as a sum of positive squares in 4 ways, for example, as 926532721 + 19175879529 = 30439^2 + 138477^2 .

It is not an unprimeable number, because it can be changed into a prime (20102412251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40204575 + ... + 40205074.

Almost surely, 2^20102412250 is an apocalyptic number.

20102412250 is a deficient number, since it is larger than the sum of its proper divisors (17529303950).

20102412250 is an equidigital number, since it uses as much as digits as its factorization.

20102412250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80409666 (or 80409656 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

Adding to 20102412250 its reverse (5221420102), we get a palindrome (25323832352).

The spelling of 20102412250 in words is "twenty billion, one hundred two million, four hundred twelve thousand, two hundred fifty".