20077001 has 8 divisors (see below), whose sum is σ = 23479104. Its totient is φ = 16808400.

The previous prime is 20076989. The next prime is 20077009. The reversal of 20077001 is 10077002.

It is a happy number.

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

It is not a de Polignac number, because 20077001 - 2⁶ = 20076937 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20077009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33050 + ... + 33651.

It is an arithmetic number, because the mean of its divisors is an integer number (2934888).

Almost surely, 2^20077001 is an apocalyptic number.

It is an amenable number.

20077001 is a deficient number, since it is larger than the sum of its proper divisors (3402103).

20077001 is an equidigital number, since it uses as much as digits as its factorization.

20077001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66751.

The product of its (nonzero) digits is 98, while the sum is 17.

The square root of 20077001 is about 4480.7366581847. The cubic root of 20077001 is about 271.7896703370.

Subtracting from 20077001 its reverse (10077002), we obtain a palindrome (9999999).

The spelling of 20077001 in words is "twenty million, seventy-seven thousand, one".