Search a number
-
+
20245534331 = 112683685987
BaseRepresentation
bin10010110110101110…
…100101011001111011
31221020221112201000212
4102312232211121323
5312430324044311
613144540021335
71314463126301
oct226656453173
957227481025
1020245534331
11864a092660
123b1023184b
131ba8515819
14da0b5c271
157d75bbc8b
hex4b6ba567b

20245534331 has 8 divisors (see below), whose sum is σ = 22094301504. Its totient is φ = 18398144520.

The previous prime is 20245534327. The next prime is 20245534367. The reversal of 20245534331 is 13343554202.

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 20245534331 - 22 = 20245534327 is a prime.

It is a super-2 number, since 2×202455343312 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20245534321) 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, 313481 + ... + 372506.

It is an arithmetic number, because the mean of its divisors is an integer number (2761787688).

Almost surely, 220245534331 is an apocalyptic number.

20245534331 is a deficient number, since it is larger than the sum of its proper divisors (1848767173).

20245534331 is a wasteful number, since it uses less digits than its factorization.

20245534331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 688681.

The product of its (nonzero) digits is 43200, while the sum is 32.

It can be divided in two parts, 2024 and 5534331, that added together give a palindrome (5536355).

The spelling of 20245534331 in words is "twenty billion, two hundred forty-five million, five hundred thirty-four thousand, three hundred thirty-one".

Divisors: 1 11 2683 29513 685987 7545857 1840503121 20245534331