20140254252 has 72 divisors (see below), whose sum is σ = 52338987792. Its totient is φ = 6525360000.

The previous prime is 20140254193. The next prime is 20140254287. The reversal of 20140254252 is 25245204102.

20140254252 is a `hidden beast` number, since 2 + 0 + 1 + 402 + 5 + 4 + 252 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1406127 + ... + 1420377.

It is an arithmetic number, because the mean of its divisors is an integer number (726930386).

Almost surely, 2^20140254252 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20140254252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26169493896).

20140254252 is an abundant number, since it is smaller than the sum of its proper divisors (32198733540).

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

20140254252 is a wasteful number, since it uses less digits than its factorization.

20140254252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15359 (or 15354 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

Adding to 20140254252 its reverse (25245204102), we get a palindrome (45385458354).

The spelling of 20140254252 in words is "twenty billion, one hundred forty million, two hundred fifty-four thousand, two hundred fifty-two".