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20402003033 = 281127956767
BaseRepresentation
bin10011000000000011…
…011101110001011001
31221122211222010201222
4103000003131301121
5313240403044113
613212245421425
71321403110256
oct230003356131
957584863658
1020402003033
11871a442935
123b5470a875
131c01a6ab59
14db784c42d
157e61c7e08
hex4c00ddc59

20402003033 has 8 divisors (see below), whose sum is σ = 20490977280. Its totient is φ = 20313145440.

The previous prime is 20402003003. The next prime is 20402003081. The reversal of 20402003033 is 33030020402.

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 20402003033 - 212 = 20401998937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20402003003) 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, 331016 + ... + 387782.

It is an arithmetic number, because the mean of its divisors is an integer number (2561372160).

Almost surely, 220402003033 is an apocalyptic number.

It is an amenable number.

20402003033 is a deficient number, since it is larger than the sum of its proper divisors (88974247).

20402003033 is a wasteful number, since it uses less digits than its factorization.

20402003033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58327.

The product of its (nonzero) digits is 432, while the sum is 17.

Adding to 20402003033 its reverse (33030020402), we get a palindrome (53432023435).

The spelling of 20402003033 in words is "twenty billion, four hundred two million, three thousand, thirty-three".

Divisors: 1 281 1279 56767 359399 15951527 72604993 20402003033