20077043 has 4 divisors (see below), whose sum is σ = 22945200. Its totient is φ = 17208888.

The previous prime is 20077033. The next prime is 20077067. The reversal of 20077043 is 34077002.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34077002 = 2 ⋅17038501.

It is a cyclic number.

It is not a de Polignac number, because 20077043 - 2⁴ = 20077027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20077033) 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, 1434068 + ... + 1434081.

It is an arithmetic number, because the mean of its divisors is an integer number (5736300).

Almost surely, 2^20077043 is an apocalyptic number.

20077043 is a deficient number, since it is larger than the sum of its proper divisors (2868157).

20077043 is an equidigital number, since it uses as much as digits as its factorization.

20077043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2868156.

The product of its (nonzero) digits is 1176, while the sum is 23.

The square root of 20077043 is about 4480.7413449116. The cubic root of 20077043 is about 271.7898598599.

The spelling of 20077043 in words is "twenty million, seventy-seven thousand, forty-three".