25242020310 has 128 divisors (see below), whose sum is σ = 65808723456. Its totient is φ = 6159605760.

The previous prime is 25242020303. The next prime is 25242020311. The reversal of 25242020310 is 1302024252.

It is a super-2 number, since 2×25242020310² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25242020311) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 36957229 + ... + 36957911.

It is an arithmetic number, because the mean of its divisors is an integer number (514130652).

Almost surely, 2^25242020310 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25242020310, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32904361728).

25242020310 is an abundant number, since it is smaller than the sum of its proper divisors (40566703146).

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

25242020310 is a wasteful number, since it uses less digits than its factorization.

25242020310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1390.

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

Adding to 25242020310 its reverse (1302024252), we get a palindrome (26544044562).

The spelling of 25242020310 in words is "twenty-five billion, two hundred forty-two million, twenty thousand, three hundred ten".