20413413017437 has 16 divisors (see below), whose sum is σ = 22647115814400. Its totient is φ = 18242713614640.

The previous prime is 20413413017399. The next prime is 20413413017443. The reversal of 20413413017437 is 73471031431402.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20413413017437 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20413413017437.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20413413014437) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31720614 + ... + 32357752.

It is an arithmetic number, because the mean of its divisors is an integer number (1415444738400).

Almost surely, 2^{20413413017437} is an apocalyptic number.

It is an amenable number.

20413413017437 is a deficient number, since it is larger than the sum of its proper divisors (2233702796963).

20413413017437 is a wasteful number, since it uses less digits than its factorization.

20413413017437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 686576.

The product of its (nonzero) digits is 169344, while the sum is 40.

Adding to 20413413017437 its reverse (73471031431402), we get a palindrome (93884444448839).

The spelling of 20413413017437 in words is "twenty trillion, four hundred thirteen billion, four hundred thirteen million, seventeen thousand, four hundred thirty-seven".