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20299914 = 2321127773
BaseRepresentation
bin100110101110…
…0000010001010
31102012100020200
41031130002022
520144044124
62003033030
7334355265
oct115340212
942170220
1020299914
1110505698
12696b776
134289aab
1429a5cdc
151baebc9
hex135c08a

20299914 has 12 divisors (see below), whose sum is σ = 43983186. Its totient is φ = 6766632.

The previous prime is 20299883. The next prime is 20299927. The reversal of 20299914 is 41999202.

It can be written as a sum of positive squares in only one way, i.e., 16670889 + 3629025 = 4083^2 + 1905^2 .

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 563869 + ... + 563904.

Almost surely, 220299914 is an apocalyptic number.

20299914 is an abundant number, since it is smaller than the sum of its proper divisors (23683272).

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

20299914 is a wasteful number, since it uses less digits than its factorization.

20299914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1127781 (or 1127778 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 20299914 is about 4505.5425866370. The cubic root of 20299914 is about 272.7918551904.

The spelling of 20299914 in words is "twenty million, two hundred ninety-nine thousand, nine hundred fourteen".

Divisors: 1 2 3 6 9 18 1127773 2255546 3383319 6766638 10149957 20299914