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20034442254 = 2322371492657
BaseRepresentation
bin10010101010001001…
…010101010000001110
31220201020100010010210
4102222021111100032
5312012304123004
613111555343250
71306320643431
oct225211252016
956636303123
1020034442254
118550a13aa2
123a715b1b26
131b73876878
14d80acd818
157c3cc1089
hex4aa25540e

20034442254 has 16 divisors (see below), whose sum is σ = 40086823248. Its totient is φ = 6675157632.

The previous prime is 20034442247. The next prime is 20034442283. The reversal of 20034442254 is 45224443002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 732907 + ... + 759750.

It is an arithmetic number, because the mean of its divisors is an integer number (2505426453).

Almost surely, 220034442254 is an apocalyptic number.

20034442254 is an abundant number, since it is smaller than the sum of its proper divisors (20052380994).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20034442254 is a wasteful number, since it uses less digits than its factorization.

20034442254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1494899.

The product of its (nonzero) digits is 30720, while the sum is 30.

Adding to 20034442254 its reverse (45224443002), we get a palindrome (65258885256).

The spelling of 20034442254 in words is "twenty billion, thirty-four million, four hundred forty-two thousand, two hundred fifty-four".

Divisors: 1 2 3 6 2237 4474 6711 13422 1492657 2985314 4477971 8955942 3339073709 6678147418 10017221127 20034442254