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20322013001 = 291494703081
BaseRepresentation
bin10010111011010010…
…010100111101001001
31221110021110020001012
4102323102110331021
5313104413404001
613200311133305
71316412155213
oct227322247511
957407406035
1020322013001
118689279174
123b31974235
131bbb312184
14daad895b3
157de1772bb
hex4bb494f49

20322013001 has 8 divisors (see below), whose sum is σ = 21163869000. Its totient is φ = 19489563520.

The previous prime is 20322012937. The next prime is 20322013003. The reversal of 20322013001 is 10031022302.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2505102601 + 17816910400 = 50051^2 + 133480^2 .

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 20322013001 - 26 = 20322012937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20322013003) 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, 2347220 + ... + 2355861.

It is an arithmetic number, because the mean of its divisors is an integer number (2645483625).

Almost surely, 220322013001 is an apocalyptic number.

It is an amenable number.

20322013001 is a deficient number, since it is larger than the sum of its proper divisors (841855999).

20322013001 is a wasteful number, since it uses less digits than its factorization.

20322013001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4703259.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 20322013001 its reverse (10031022302), we get a palindrome (30353035303).

The spelling of 20322013001 in words is "twenty billion, three hundred twenty-two million, thirteen thousand, one".

Divisors: 1 29 149 4321 4703081 136389349 700759069 20322013001