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20270607806 = 261166152523
BaseRepresentation
bin10010111000001110…
…001110110110111110
31221022200201120101002
4102320032032312332
5313003233422211
613151233250302
71315216215641
oct227016166676
957280646332
1020270607806
118662258739
123b18703992
131bb07842b7
14da4207a58
157d98c103b
hex4b838edbe

20270607806 has 8 divisors (see below), whose sum is σ = 30904369464. Its totient is φ = 9969151320.

The previous prime is 20270607743. The next prime is 20270607809. The reversal of 20270607806 is 60870607202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 20270607806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20270607809) 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, 83076140 + ... + 83076383.

It is an arithmetic number, because the mean of its divisors is an integer number (3863046183).

Almost surely, 220270607806 is an apocalyptic number.

20270607806 is a deficient number, since it is larger than the sum of its proper divisors (10633761658).

20270607806 is a wasteful number, since it uses less digits than its factorization.

20270607806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166152586.

The product of its (nonzero) digits is 56448, while the sum is 38.

The spelling of 20270607806 in words is "twenty billion, two hundred seventy million, six hundred seven thousand, eight hundred six".

Divisors: 1 2 61 122 166152523 332305046 10135303903 20270607806