20025432210 has 96 divisors (see below), whose sum is σ = 56000885760. Its totient is φ = 4569616128.

The previous prime is 20025432191. The next prime is 20025432227. The reversal of 20025432210 is 1223452002.

It is a Harshad number since it is a multiple of its sum of digits (21).

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 47 ways as a sum of consecutive naturals, for example, 895951 + ... + 918029.

It is an arithmetic number, because the mean of its divisors is an integer number (583342560).

Almost surely, 2^20025432210 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20025432210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28000442880).

20025432210 is an abundant number, since it is smaller than the sum of its proper divisors (35975453550).

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

20025432210 is a wasteful number, since it uses less digits than its factorization.

20025432210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22720 (or 22713 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

Adding to 20025432210 its reverse (1223452002), we get a palindrome (21248884212).

The spelling of 20025432210 in words is "twenty billion, twenty-five million, four hundred thirty-two thousand, two hundred ten".