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20013232033 = 111725317079
BaseRepresentation
bin10010101000111000…
…011010111110100001
31220122202102112012001
4102220320122332201
5311441341411113
613105521004001
71305642444154
oct225070327641
956582375161
1020013232033
11853aa47493
123a66483601
131b6c35b642
14d7bd6bc9b
157c1ed17dd
hex4a8e1afa1

20013232033 has 8 divisors (see below), whose sum is σ = 20041894080. Its totient is φ = 19984591440.

The previous prime is 20013232007. The next prime is 20013232037. The reversal of 20013232033 is 33023231002.

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 20013232033 - 221 = 20011134881 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20013232033.

It is not an unprimeable number, because it can be changed into a prime (20013232037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2823588 + ... + 2830666.

It is an arithmetic number, because the mean of its divisors is an integer number (2505236760).

Almost surely, 220013232033 is an apocalyptic number.

It is an amenable number.

20013232033 is a deficient number, since it is larger than the sum of its proper divisors (28662047).

20013232033 is a wasteful number, since it uses less digits than its factorization.

20013232033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10727.

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

Adding to 20013232033 its reverse (33023231002), we get a palindrome (53036463035).

The spelling of 20013232033 in words is "twenty billion, thirteen million, two hundred thirty-two thousand, thirty-three".

Divisors: 1 1117 2531 7079 2827127 7907243 17916949 20013232033