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120220022002 = 260110011001
BaseRepresentation
bin110111111110110101…
…0111111010011110010
3102111022100011212221111
41233331222333103302
53432202311201002
6131121152143534
711454110216653
oct1577552772362
9374270155844
10120220022002
1146a92082993
121b371537baa
13b44b961ac2
145b6665b52a
1531d94673d7
hex1bfdabf4f2

120220022002 has 4 divisors (see below), whose sum is σ = 180330033006. Its totient is φ = 60110011000.

The previous prime is 120220021993. The next prime is 120220022011. The reversal of 120220022002 is 200220022021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 200220022021 = 338717591113.

It is an interprime number because it is at equal distance from previous prime (120220021993) and next prime (120220022011).

It can be written as a sum of positive squares in only one way, i.e., 109588143681 + 10631878321 = 331041^2 + 103111^2 .

It is a super-2 number, since 2×1202200220022 (a number of 23 digits) contains 22 as substring.

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, 30055005499 + ... + 30055005502.

Almost surely, 2120220022002 is an apocalyptic number.

120220022002 is a deficient number, since it is larger than the sum of its proper divisors (60110011004).

120220022002 is an equidigital number, since it uses as much as digits as its factorization.

120220022002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60110011003.

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

Adding to 120220022002 its reverse (200220022021), we get a palindrome (320440044023).

The spelling of 120220022002 in words is "one hundred twenty billion, two hundred twenty million, twenty-two thousand, two".

Divisors: 1 2 60110011001 120220022002