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2200020401 = 12831714747
BaseRepresentation
bin1000001100100001…
…1010010110110001
312200022201121122002
42003020122112301
514001201123101
61002150023345
7105342602435
oct20310322661
95608647562
102200020401
11a29943987
12514947b55
13290a3aa27
1416c2849c5
15cd222d6b
hex8321a5b1

2200020401 has 4 divisors (see below), whose sum is σ = 2201736432. Its totient is φ = 2198304372.

The previous prime is 2200020373. The next prime is 2200020409. The reversal of 2200020401 is 1040200022.

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: 1040200022 = 2520100011.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2200020401 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 (2200020409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 856091 + ... + 858656.

It is an arithmetic number, because the mean of its divisors is an integer number (550434108).

Almost surely, 22200020401 is an apocalyptic number.

It is an amenable number.

2200020401 is a deficient number, since it is larger than the sum of its proper divisors (1716031).

2200020401 is a wasteful number, since it uses less digits than its factorization.

2200020401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1716030.

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 2200020401 is about 46904.3750731208. The cubic root of 2200020401 is about 1300.5954670459.

Adding to 2200020401 its reverse (1040200022), we get a palindrome (3240220423).

The spelling of 2200020401 in words is "two billion, two hundred million, twenty thousand, four hundred one".

Divisors: 1 1283 1714747 2200020401