20072077 has 8 divisors (see below), whose sum is σ = 21132864. Its totient is φ = 19027008.

The previous prime is 20072071. The next prime is 20072119. The reversal of 20072077 is 77027002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20072077 - 2³ = 20072069 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 (20072071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1263 + ... + 6460.

It is an arithmetic number, because the mean of its divisors is an integer number (2641608).

Almost surely, 2^20072077 is an apocalyptic number.

It is an amenable number.

20072077 is a deficient number, since it is larger than the sum of its proper divisors (1060787).

20072077 is a wasteful number, since it uses less digits than its factorization.

20072077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7859.

The product of its (nonzero) digits is 1372, while the sum is 25.

The square root of 20072077 is about 4480.1871612690. The cubic root of 20072077 is about 271.7674491935.

Adding to 20072077 its reverse (77027002), we get a palindrome (97099079).

The spelling of 20072077 in words is "twenty million, seventy-two thousand, seventy-seven".