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2120022202 = 21060011101
BaseRepresentation
bin111111001011100…
…1111100010111010
312110202012021201211
41332113033202322
513320211202302
6550211233334
7103351614514
oct17627174272
95422167654
102120022202
11998774071
124b1ba884a
1327a2ab40c
141617bcbb4
15c61bead7
hex7e5cf8ba

2120022202 has 4 divisors (see below), whose sum is σ = 3180033306. Its totient is φ = 1060011100.

The previous prime is 2120022193. The next prime is 2120022211. The reversal of 2120022202 is 2022200212.

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 (2120022193) and next prime (2120022211).

It can be written as a sum of positive squares in only one way, i.e., 1399582921 + 720439281 = 37411^2 + 26841^2 .

It is a Smith number, since the sum of its digits (13) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 530005549 + ... + 530005552.

Almost surely, 22120022202 is an apocalyptic number.

2120022202 is a deficient number, since it is larger than the sum of its proper divisors (1060011104).

2120022202 is a wasteful number, since it uses less digits than its factorization.

2120022202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1060011103.

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 2120022202 is about 46043.6988305675. The cubic root of 2120022202 is about 1284.6361421924.

Adding to 2120022202 its reverse (2022200212), we get a palindrome (4142222414).

The spelling of 2120022202 in words is "two billion, one hundred twenty million, twenty-two thousand, two hundred two".

Divisors: 1 2 1060011101 2120022202