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20434002054 = 234183065049
BaseRepresentation
bin10011000001111101…
…100010000010000110
31221202002011212010220
4103001331202002012
5313322101031204
613215351325210
71322242103004
oct230175420206
957662155126
1020434002054
118736509204
123b63380806
131c0859299b
14dbbbbba74
157e8de91d9
hex4c1f62086

20434002054 has 16 divisors (see below), whose sum is σ = 41864785200. Its totient is φ = 6645203840.

The previous prime is 20434002041. The next prime is 20434002073. The reversal of 20434002054 is 45020043402.

It is a nialpdrome in base 14.

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, 41532279 + ... + 41532770.

It is an arithmetic number, because the mean of its divisors is an integer number (2616549075).

Almost surely, 220434002054 is an apocalyptic number.

20434002054 is an abundant number, since it is smaller than the sum of its proper divisors (21430783146).

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

20434002054 is a wasteful number, since it uses less digits than its factorization.

20434002054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83065095.

The product of its (nonzero) digits is 3840, while the sum is 24.

Adding to 20434002054 its reverse (45020043402), we get a palindrome (65454045456).

The spelling of 20434002054 in words is "twenty billion, four hundred thirty-four million, two thousand, fifty-four".

Divisors: 1 2 3 6 41 82 123 246 83065049 166130098 249195147 498390294 3405667009 6811334018 10217001027 20434002054