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20120022233331 = 319162575611871
BaseRepresentation
bin1001001001100100011101…
…10001110011000011110011
32122020110021221110200112220
410210302032301303003303
510114121301142431311
6110443002143052123
74144423623124326
oct444621661630363
978213257420486
1020120022233331
116457943028409
12230b48a8a1043
13b2c404c83c07
144d7b585107bd
1524d57bc7e206
hex124c8ec730f3

20120022233331 has 16 divisors (see below), whose sum is σ = 26971464941568. Its totient is φ = 13340986313600.

The previous prime is 20120022233329. The next prime is 20120022233347. The reversal of 20120022233331 is 13333222002102.

It is a cyclic number.

It is not a de Polignac number, because 20120022233331 - 21 = 20120022233329 is a prime.

It is a super-2 number, since 2×201200222333312 (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20120022233131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 779326 + ... + 6391196.

It is an arithmetic number, because the mean of its divisors is an integer number (1685716558848).

Almost surely, 220120022233331 is an apocalyptic number.

20120022233331 is a deficient number, since it is larger than the sum of its proper divisors (6851442708237).

20120022233331 is a wasteful number, since it uses less digits than its factorization.

20120022233331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5618322.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 20120022233331 its reverse (13333222002102), we get a palindrome (33453244235433).

The spelling of 20120022233331 in words is "twenty trillion, one hundred twenty billion, twenty-two million, two hundred thirty-three thousand, three hundred thirty-one".

Divisors: 1 3 191 573 6257 18771 1195087 3585261 5611871 16835613 1071867361 3215602083 35113476847 105340430541 6706674077777 20120022233331