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20295410345 = 57619506047
BaseRepresentation
bin10010111001101100…
…110110001010101001
31221101102101200001122
4102321230312022221
5313031111112340
613153521025025
71315640066360
oct227154661251
957342350048
1020295410345
118675259201
123b24a85175
131bb5959662
14da76227d7
157dbb6edb5
hex4b9b362a9

20295410345 has 16 divisors (see below), whose sum is σ = 28289998848. Its totient is φ = 13688706240.

The previous prime is 20295410273. The next prime is 20295410347. The reversal of 20295410345 is 54301459202.

It is not a de Polignac number, because 20295410345 - 212 = 20295406249 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20295410347) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4750889 + ... + 4755158.

It is an arithmetic number, because the mean of its divisors is an integer number (1768124928).

Almost surely, 220295410345 is an apocalyptic number.

It is an amenable number.

20295410345 is a deficient number, since it is larger than the sum of its proper divisors (7994588503).

20295410345 is an equidigital number, since it uses as much as digits as its factorization.

20295410345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9506120.

The product of its (nonzero) digits is 43200, while the sum is 35.

Adding to 20295410345 its reverse (54301459202), we get a palindrome (74596869547).

The spelling of 20295410345 in words is "twenty billion, two hundred ninety-five million, four hundred ten thousand, three hundred forty-five".

Divisors: 1 5 7 35 61 305 427 2135 9506047 47530235 66542329 332711645 579868867 2899344335 4059082069 20295410345