20425303234140 has 48 divisors (see below), whose sum is σ = 65360970350592. Its totient is φ = 4668640739136.

The previous prime is 20425303234139. The next prime is 20425303234207. The reversal of 20425303234140 is 4143230352402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24315836764 + ... + 24315837603.

It is an arithmetic number, because the mean of its divisors is an integer number (1361686882304).

Almost surely, 2^{20425303234140} is an apocalyptic number.

20425303234140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20425303234140 is an abundant number, since it is smaller than the sum of its proper divisors (44935667116452).

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

20425303234140 is a wasteful number, since it uses less digits than its factorization.

20425303234140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48631674386 (or 48631674384 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 33.

Adding to 20425303234140 its reverse (4143230352402), we get a palindrome (24568533586542).

The spelling of 20425303234140 in words is "twenty trillion, four hundred twenty-five billion, three hundred three million, two hundred thirty-four thousand, one hundred forty".