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20310202001 = 463193122717
BaseRepresentation
bin10010111010100101…
…010001011010010001
31221102110020011101202
4102322211101122101
5313043402431001
613155210040545
71316206603625
oct227245213221
957373204352
1020310202001
118682641411
123b29a19155
131bb8a3820b
14da9593185
157dd0e296b
hex4ba951691

20310202001 has 8 divisors (see below), whose sum is σ = 20365505664. Its totient is φ = 20254948560.

The previous prime is 20310201959. The next prime is 20310202051. The reversal of 20310202001 is 10020201302.

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 a de Polignac number, because none of the positive numbers 2k-20310202001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20310202051) 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, 882695 + ... + 905411.

It is an arithmetic number, because the mean of its divisors is an integer number (2545688208).

Almost surely, 220310202001 is an apocalyptic number.

It is an amenable number.

20310202001 is a deficient number, since it is larger than the sum of its proper divisors (55303663).

20310202001 is a wasteful number, since it uses less digits than its factorization.

20310202001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25111.

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 20310202001 its reverse (10020201302), we get a palindrome (30330403303).

The spelling of 20310202001 in words is "twenty billion, three hundred ten million, two hundred two thousand, one".

Divisors: 1 463 1931 22717 894053 10517971 43866527 20310202001