20743870119415 has 4 divisors (see below), whose sum is σ = 24892644143304. Its totient is φ = 16595096095528.

The previous prime is 20743870119391. The next prime is 20743870119419. The reversal of 20743870119415 is 51491107834702.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20743870119415 - 2⁵ = 20743870119383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20743870119419) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2074387011937 + ... + 2074387011946.

It is an arithmetic number, because the mean of its divisors is an integer number (6223161035826).

Almost surely, 2^{20743870119415} is an apocalyptic number.

20743870119415 is a deficient number, since it is larger than the sum of its proper divisors (4148774023889).

20743870119415 is an equidigital number, since it uses as much as digits as its factorization.

20743870119415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4148774023888.

The product of its (nonzero) digits is 1693440, while the sum is 52.

The spelling of 20743870119415 in words is "twenty trillion, seven hundred forty-three billion, eight hundred seventy million, one hundred nineteen thousand, four hundred fifteen".