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20201400331 = 722712713279
BaseRepresentation
bin10010110100000110…
…001110100000001011
31221010212111110120021
4102310012032200023
5312333024302311
613140322041311
71313416032610
oct226406164013
957125443507
1020201400331
118627189082
123ab94a9237
131b9c332428
14d98d50507
157d37a0171
hex4b418e80b

20201400331 has 8 divisors (see below), whose sum is σ = 23189022720. Its totient is φ = 17239204968.

The previous prime is 20201400293. The next prime is 20201400361. The reversal of 20201400331 is 13300410202.

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 20201400331 - 29 = 20201399819 is a prime.

It is a super-2 number, since 2×202014003312 (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 (20201400361) 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, 6355051 + ... + 6358228.

It is an arithmetic number, because the mean of its divisors is an integer number (2898627840).

Almost surely, 220201400331 is an apocalyptic number.

20201400331 is a deficient number, since it is larger than the sum of its proper divisors (2987622389).

20201400331 is a wasteful number, since it uses less digits than its factorization.

20201400331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12713513.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 20201400331 its reverse (13300410202), we get a palindrome (33501810533).

The spelling of 20201400331 in words is "twenty billion, two hundred one million, four hundred thousand, three hundred thirty-one".

Divisors: 1 7 227 1589 12713279 88992953 2885914333 20201400331