20001250430 has 64 divisors (see below), whose sum is σ = 41468879232. Its totient is φ = 6803865600.

The previous prime is 20001250427. The next prime is 20001250433. The reversal of 20001250430 is 3405210002.

It is an interprime number because it is at equal distance from previous prime (20001250427) and next prime (20001250433).

It is a junction number, because it is equal to n+sod(n) for n = 20001250399 and 20001250408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20001250433) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5527982 + ... + 5531598.

It is an arithmetic number, because the mean of its divisors is an integer number (647951238).

Almost surely, 2^20001250430 is an apocalyptic number.

20001250430 is an abundant number, since it is smaller than the sum of its proper divisors (21467628802).

20001250430 is a wasteful number, since it uses less digits than its factorization.

20001250430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4229.

The product of its (nonzero) digits is 240, while the sum is 17.

Adding to 20001250430 its reverse (3405210002), we get a palindrome (23406460432).

The spelling of 20001250430 in words is "twenty billion, one million, two hundred fifty thousand, four hundred thirty".