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20705120614 = 210352560307
BaseRepresentation
bin10011010010000111…
…110001000101100110
31222102222100002220001
4103102013301011212
5314401002324424
613302314331514
71332043423063
oct232207610546
958388302801
1020705120614
118865556632
12401a129b9a
131c4c7ba979
141005bd3c6a
15812b00844
hex4d21f1166

20705120614 has 4 divisors (see below), whose sum is σ = 31057680924. Its totient is φ = 10352560306.

The previous prime is 20705120603. The next prime is 20705120621. The reversal of 20705120614 is 41602150702.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5176280152 + ... + 5176280155.

It is an arithmetic number, because the mean of its divisors is an integer number (7764420231).

Almost surely, 220705120614 is an apocalyptic number.

20705120614 is a deficient number, since it is larger than the sum of its proper divisors (10352560310).

20705120614 is a wasteful number, since it uses less digits than its factorization.

20705120614 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10352560309.

The product of its (nonzero) digits is 3360, while the sum is 28.

The spelling of 20705120614 in words is "twenty billion, seven hundred five million, one hundred twenty thousand, six hundred fourteen".

Divisors: 1 2 10352560307 20705120614