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20014022142 = 2322779140009
BaseRepresentation
bin10010101000111011…
…011011110111111110
31220122210220200000100
4102220323123313332
5311442042202032
613105545541530
71305652244532
oct225073336776
956583820010
1020014022142
118540437074
123a667a48a6
131b6c57716a
14d7c0d5bc2
157c20da97c
hex4a8edbdfe

20014022142 has 24 divisors (see below), whose sum is σ = 43366358880. Its totient is φ = 6670933920.

The previous prime is 20014022141. The next prime is 20014022257. The reversal of 20014022142 is 24122041002.

20014022142 is a `hidden beast` number, since 200 + 1 + 402 + 21 + 42 = 666.

It is a super-2 number, since 2×200140221422 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20014022141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 480234 + ... + 520242.

It is an arithmetic number, because the mean of its divisors is an integer number (1806931620).

Almost surely, 220014022142 is an apocalyptic number.

20014022142 is an abundant number, since it is smaller than the sum of its proper divisors (23352336738).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20014022142 is a wasteful number, since it uses less digits than its factorization.

20014022142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67808 (or 67805 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 20014022142 its reverse (24122041002), we get a palindrome (44136063144).

The spelling of 20014022142 in words is "twenty billion, fourteen million, twenty-two thousand, one hundred forty-two".

Divisors: 1 2 3 6 9 18 27791 40009 55582 80018 83373 120027 166746 240054 250119 360081 500238 720162 1111890119 2223780238 3335670357 6671340714 10007011071 20014022142