20714645036445 has 64 divisors (see below), whose sum is σ = 36538232094720. Its totient is φ = 9985988595968.

The previous prime is 20714645036441. The next prime is 20714645036581. The reversal of 20714645036445 is 54463054641702.

It is not a de Polignac number, because 20714645036445 - 2² = 20714645036441 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20714645036441) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 21555609 + ... + 22496078.

It is an arithmetic number, because the mean of its divisors is an integer number (570909876480).

Almost surely, 2^{20714645036445} is an apocalyptic number.

It is an amenable number.

20714645036445 is a deficient number, since it is larger than the sum of its proper divisors (15823587058275).

20714645036445 is a wasteful number, since it uses less digits than its factorization.

20714645036445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44051794.

The product of its (nonzero) digits is 9676800, while the sum is 51.

The spelling of 20714645036445 in words is "twenty trillion, seven hundred fourteen billion, six hundred forty-five million, thirty-six thousand, four hundred forty-five".