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20023000131 = 349113593347
BaseRepresentation
bin10010101001011101…
…101011110001000011
31220200102210210111110
4102221131223301003
5312001342001011
613110510214403
71306121456451
oct225135536103
956612723443
1020023000131
1185455093a2
123a697b4403
131b7139b794
14d7d3919d1
157c2cb0ba6
hex4a976bc43

20023000131 has 8 divisors (see below), whose sum is σ = 26751708864. Its totient is φ = 13321479080.

The previous prime is 20023000121. The next prime is 20023000133. The reversal of 20023000131 is 13100032002.

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 20023000131 - 229 = 19486129219 is a prime.

It is a super-3 number, since 3×200230001313 (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (20023000133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6795201 + ... + 6798146.

It is an arithmetic number, because the mean of its divisors is an integer number (3343963608).

Almost surely, 220023000131 is an apocalyptic number.

20023000131 is a deficient number, since it is larger than the sum of its proper divisors (6728708733).

20023000131 is a wasteful number, since it uses less digits than its factorization.

20023000131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13593841.

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 20023000131 its reverse (13100032002), we get a palindrome (33123032133).

The spelling of 20023000131 in words is "twenty billion, twenty-three million, one hundred thirty-one", and thus it is an aban number.

Divisors: 1 3 491 1473 13593347 40780041 6674333377 20023000131