Search a number
-
+
2020002122 = 21010001061
BaseRepresentation
bin111100001100110…
…1100100101001010
312012202222201222102
41320121230211022
513114110031442
6532235353402
7101025510005
oct17031544512
95182881872
102020002122
11947269546
124845b2862
1326265b738
141523c453c
15bc514232
hex7866c94a

2020002122 has 4 divisors (see below), whose sum is σ = 3030003186. Its totient is φ = 1010001060.

The previous prime is 2020002073. The next prime is 2020002139. The reversal of 2020002122 is 2212000202.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2212000202 = 21106000101.

It can be written as a sum of positive squares in only one way, i.e., 1147922161 + 872079961 = 33881^2 + 29531^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505000529 + ... + 505000532.

Almost surely, 22020002122 is an apocalyptic number.

2020002122 is a deficient number, since it is larger than the sum of its proper divisors (1010001064).

2020002122 is a wasteful number, since it uses less digits than its factorization.

2020002122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1010001063.

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

The square root of 2020002122 is about 44944.4337154224. The cubic root of 2020002122 is about 1264.1073075091.

Adding to 2020002122 its reverse (2212000202), we get a palindrome (4232002324).

The spelling of 2020002122 in words is "two billion, twenty million, two thousand, one hundred twenty-two".

Divisors: 1 2 1010001061 2020002122