20340125251016 has 16 divisors (see below), whose sum is σ = 38138015558940. Its totient is φ = 10169987768640.

The previous prime is 20340125250983. The next prime is 20340125251027. The reversal of 20340125251016 is 61015252104302.

It can be written as a sum of positive squares in 2 ways, for example, as 19618220128516 + 721905122500 = 4429246^2 + 849650^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8193791 + ... + 10383566.

Almost surely, 2^{20340125251016} is an apocalyptic number.

It is an amenable number.

20340125251016 is a deficient number, since it is larger than the sum of its proper divisors (17797890307924).

20340125251016 is a wasteful number, since it uses less digits than its factorization.

20340125251016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18714224 (or 18714220 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 32.

Adding to 20340125251016 its reverse (61015252104302), we get a palindrome (81355377355318).

The spelling of 20340125251016 in words is "twenty trillion, three hundred forty billion, one hundred twenty-five million, two hundred fifty-one thousand, sixteen".