20437614545 has 16 divisors (see below), whose sum is σ = 24579936000. Its totient is φ = 16313603328.

The previous prime is 20437614511. The next prime is 20437614563. The reversal of 20437614545 is 54541673402.

It is a cyclic number.

It is not a de Polignac number, because 20437614545 - 2⁶ = 20437614481 is a prime.

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, 7832201 + ... + 7834809.

It is an arithmetic number, because the mean of its divisors is an integer number (1536246000).

Almost surely, 2^20437614545 is an apocalyptic number.

It is an amenable number.

20437614545 is a deficient number, since it is larger than the sum of its proper divisors (4142321455).

20437614545 is a wasteful number, since it uses less digits than its factorization.

20437614545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5512.

The product of its (nonzero) digits is 403200, while the sum is 41.

The spelling of 20437614545 in words is "twenty billion, four hundred thirty-seven million, six hundred fourteen thousand, five hundred forty-five".