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20230021003 = 199514719751
BaseRepresentation
bin10010110101110011…
…011001111110001011
31221012212100112202011
4102311303121332023
5312412341133003
613143223320351
71314214225033
oct226563317613
957185315664
1020230021003
118641357225
123b06bb00b7
131ba524363a
14d9ca808c3
157d605546d
hex4b5cd9f8b

20230021003 has 8 divisors (see below), whose sum is σ = 20336659200. Its totient is φ = 20123433000.

The previous prime is 20230021001. The next prime is 20230021037. The reversal of 20230021003 is 30012003202.

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 20230021003 - 21 = 20230021001 is a prime.

It is a super-2 number, since 2×202300210032 (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 (20230021001) 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, 1014378 + ... + 1034128.

It is an arithmetic number, because the mean of its divisors is an integer number (2542082400).

Almost surely, 220230021003 is an apocalyptic number.

20230021003 is a deficient number, since it is larger than the sum of its proper divisors (106638197).

20230021003 is a wasteful number, since it uses less digits than its factorization.

20230021003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25097.

The product of its (nonzero) digits is 72, while the sum is 13.

Adding to 20230021003 its reverse (30012003202), we get a palindrome (50242024205).

The spelling of 20230021003 in words is "twenty billion, two hundred thirty million, twenty-one thousand, three".

Divisors: 1 199 5147 19751 1024253 3930449 101658397 20230021003