20077127 has 4 divisors (see below), whose sum is σ = 22945296. Its totient is φ = 17208960.

The previous prime is 20077121. The next prime is 20077133. The reversal of 20077127 is 72177002.

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

It is an interprime number because it is at equal distance from previous prime (20077121) and next prime (20077133).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20077127 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20077096 and 20077105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20077121) 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, 1434074 + ... + 1434087.

It is an arithmetic number, because the mean of its divisors is an integer number (5736324).

Almost surely, 2^20077127 is an apocalyptic number.

20077127 is a deficient number, since it is larger than the sum of its proper divisors (2868169).

20077127 is an equidigital number, since it uses as much as digits as its factorization.

20077127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2868168.

The product of its (nonzero) digits is 1372, while the sum is 26.

The square root of 20077127 is about 4480.7507183507. The cubic root of 20077127 is about 271.7902389051.

The spelling of 20077127 in words is "twenty million, seventy-seven thousand, one hundred twenty-seven".