220077001 has 4 divisors (see below), whose sum is σ = 220153104. Its totient is φ = 220000900.

The previous prime is 220076993. The next prime is 220077007. The reversal of 220077001 is 100770022.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 100770022 = 2 ⋅50385011.

It is a cyclic number.

It is not a de Polignac number, because 220077001 - 2³ = 220076993 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 220077001.

It is not an unprimeable number, because it can be changed into a prime (220077007) 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, 33535 + ... + 39556.

It is an arithmetic number, because the mean of its divisors is an integer number (55038276).

Almost surely, 2^220077001 is an apocalyptic number.

It is an amenable number.

220077001 is a deficient number, since it is larger than the sum of its proper divisors (76103).

220077001 is an equidigital number, since it uses as much as digits as its factorization.

220077001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76102.

The product of its (nonzero) digits is 196, while the sum is 19.

The square root of 220077001 is about 14834.9924502846. The cubic root of 220077001 is about 603.7514958376.

The spelling of 220077001 in words is "two hundred twenty million, seventy-seven thousand, one".