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20023133023 = 233132781377
BaseRepresentation
bin10010101001011110…
…001100001101011111
31220200110001112210101
4102221132030031133
5312001410224043
613110513121531
71306122552055
oct225136141537
956613045711
1020023133023
11854559a223
123a698592a7
131b7141710a
14d7d3c81d5
157c2cda24d
hex4a978c35f

20023133023 has 8 divisors (see below), whose sum is σ = 20960464608. Its totient is φ = 19091364864.

The previous prime is 20023132991. The next prime is 20023133057. The reversal of 20023133023 is 32033132002.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20023133023 - 25 = 20023132991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20023133323) 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 7 ways as a sum of consecutive naturals, for example, 1383490 + ... + 1397887.

It is an arithmetic number, because the mean of its divisors is an integer number (2620058076).

Almost surely, 220023133023 is an apocalyptic number.

20023133023 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

20023133023 is a deficient number, since it is larger than the sum of its proper divisors (937331585).

20023133023 is a wasteful number, since it uses less digits than its factorization.

20023133023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2781713.

The product of its (nonzero) digits is 648, while the sum is 19.

Adding to 20023133023 its reverse (32033132002), we get a palindrome (52056265025).

The spelling of 20023133023 in words is "twenty billion, twenty-three million, one hundred thirty-three thousand, twenty-three".

Divisors: 1 23 313 7199 2781377 63971671 870571001 20023133023