Search a number
-
+
20270374079 = 58513464429
BaseRepresentation
bin10010111000001101…
…010101110010111111
31221022200021200202112
4102320031111302333
5313003203432304
613151224244235
71315214223344
oct227015256277
957280250675
1020270374079
11866210907a
123b1861067b
131bb0701ab7
14da41867cb
157d9876b6e
hex4b8355cbf

20270374079 has 4 divisors (see below), whose sum is σ = 20273844360. Its totient is φ = 20266903800.

The previous prime is 20270374063. The next prime is 20270374121. The reversal of 20270374079 is 97047307202.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20270374079 - 24 = 20270374063 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20270374009) 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, 1726364 + ... + 1738065.

It is an arithmetic number, because the mean of its divisors is an integer number (5068461090).

Almost surely, 220270374079 is an apocalyptic number.

20270374079 is a deficient number, since it is larger than the sum of its proper divisors (3470281).

20270374079 is an equidigital number, since it uses as much as digits as its factorization.

20270374079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3470280.

The product of its (nonzero) digits is 148176, while the sum is 41.

The spelling of 20270374079 in words is "twenty billion, two hundred seventy million, three hundred seventy-four thousand, seventy-nine".

Divisors: 1 5851 3464429 20270374079