20414040251045 has 16 divisors (see below), whose sum is σ = 28158226957440. Its totient is φ = 13917284579904.

The previous prime is 20414040251009. The next prime is 20414040251053. The reversal of 20414040251045 is 54015204041402.

It is a cyclic number.

It is not a de Polignac number, because 20414040251045 - 2³⁸ = 20139162344101 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1685711555 + ... + 1685723664.

It is an arithmetic number, because the mean of its divisors is an integer number (1759889184840).

Almost surely, 2^{20414040251045} is an apocalyptic number.

It is an amenable number.

20414040251045 is a deficient number, since it is larger than the sum of its proper divisors (7744186706395).

20414040251045 is a wasteful number, since it uses less digits than its factorization.

20414040251045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3371435404.

The product of its (nonzero) digits is 25600, while the sum is 32.

Adding to 20414040251045 its reverse (54015204041402), we get a palindrome (74429244292447).

The spelling of 20414040251045 in words is "twenty trillion, four hundred fourteen billion, forty million, two hundred fifty-one thousand, forty-five".