Search a number
-
+
20092820101 = 191105198011
BaseRepresentation
bin10010101101101000…
…000001101010000101
31220212022012000111021
4102231220001222011
5312122230220401
613121442511141
71310630103304
oct225550015205
956768160437
1020092820101
118580967152
123a890654b1
131b829a6383
14d8876843b
157c8ea32a1
hex4ada01a85

20092820101 has 4 divisors (see below), whose sum is σ = 20198018304. Its totient is φ = 19987621900.

The previous prime is 20092820087. The next prime is 20092820119. The reversal of 20092820101 is 10102829002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20092820101 - 213 = 20092811909 is a prime.

It is a super-3 number, since 3×200928201013 (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20092820191) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52598815 + ... + 52599196.

It is an arithmetic number, because the mean of its divisors is an integer number (5049504576).

Almost surely, 220092820101 is an apocalyptic number.

It is an amenable number.

20092820101 is a deficient number, since it is larger than the sum of its proper divisors (105198203).

20092820101 is a wasteful number, since it uses less digits than its factorization.

20092820101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105198202.

The product of its (nonzero) digits is 576, while the sum is 25.

The spelling of 20092820101 in words is "twenty billion, ninety-two million, eight hundred twenty thousand, one hundred one".

Divisors: 1 191 105198011 20092820101