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20023233011 = 191053854369
BaseRepresentation
bin10010101001011110…
…100100100111110011
31220200110020121221122
4102221132210213303
5312001421424021
613110515212455
71306123446425
oct225136444763
956613217848
1020023233011
118545658361
123a698a712b
131b71450792
14d7d412815
157c2d09bab
hex4a97a49f3

20023233011 has 4 divisors (see below), whose sum is σ = 21077087400. Its totient is φ = 18969378624.

The previous prime is 20023233007. The next prime is 20023233031. The reversal of 20023233011 is 11033232002.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20023233011 - 22 = 20023233007 is a prime.

It is a super-2 number, since 2×200232330112 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20023233031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 526927166 + ... + 526927203.

It is an arithmetic number, because the mean of its divisors is an integer number (5269271850).

Almost surely, 220023233011 is an apocalyptic number.

20023233011 is a deficient number, since it is larger than the sum of its proper divisors (1053854389).

20023233011 is a wasteful number, since it uses less digits than its factorization.

20023233011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1053854388.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 20023233011 its reverse (11033232002), we get a palindrome (31056465013).

The spelling of 20023233011 in words is "twenty billion, twenty-three million, two hundred thirty-three thousand, eleven".

Divisors: 1 19 1053854369 20023233011