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20010120010201 = 1710111654117653
BaseRepresentation
bin1001000110010111110000…
…00110000101100111011001
32121211221121200001021211101
410203023320012011213121
510110321211210311301
6110320304445031401
74133453266466536
oct443137006054731
977757550037741
1020010120010201
1164152760a0532
1222b2118855561
13b21c3bacc959
144d26d02ddd8d
1524a79854c701
hex1232f81859d9

20010120010201 has 8 divisors (see below), whose sum is σ = 21396960012744. Its totient is φ = 18646588243200.

The previous prime is 20010120010189. The next prime is 20010120010213. The reversal of 20010120010201 is 10201002101002.

It is an interprime number because it is at equal distance from previous prime (20010120010189) and next prime (20010120010213).

It can be written as a sum of positive squares in 4 ways, for example, as 7437592568025 + 12572527442176 = 2727195^2 + 3545776^2 .

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 20010120010201 - 27 = 20010120010073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20010120010291) 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, 5827057110 + ... + 5827060543.

It is an arithmetic number, because the mean of its divisors is an integer number (2674620001593).

Almost surely, 220010120010201 is an apocalyptic number.

It is an amenable number.

20010120010201 is a deficient number, since it is larger than the sum of its proper divisors (1386840002543).

20010120010201 is a wasteful number, since it uses less digits than its factorization.

20010120010201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11654117771.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 20010120010201 its reverse (10201002101002), we get a palindrome (30211122111203).

The spelling of 20010120010201 in words is "twenty trillion, ten billion, one hundred twenty million, ten thousand, two hundred one".

Divisors: 1 17 101 1717 11654117653 198120000101 1177065882953 20010120010201