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20734022 = 261169951
BaseRepresentation
bin100111100011…
…0000001000110
31110000101201202
41033012001012
520301442042
62020222502
7341144021
oct117060106
943011652
1020734022
1110781861
126b3aa32
1343ac56a
142a7a1b8
151c48632
hex13c6046

20734022 has 8 divisors (see below), whose sum is σ = 31611072. Its totient is φ = 10197000.

The previous prime is 20734013. The next prime is 20734027. The reversal of 20734022 is 22043702.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 20733985 and 20734003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20734027) 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, 84854 + ... + 85097.

It is an arithmetic number, because the mean of its divisors is an integer number (3951384).

Almost surely, 220734022 is an apocalyptic number.

20734022 is a deficient number, since it is larger than the sum of its proper divisors (10877050).

20734022 is a wasteful number, since it uses less digits than its factorization.

20734022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170014.

The product of its (nonzero) digits is 672, while the sum is 20.

The square root of 20734022 is about 4553.4626384763. The cubic root of 20734022 is about 274.7226824228.

Adding to 20734022 its reverse (22043702), we get a palindrome (42777724).

The spelling of 20734022 in words is "twenty million, seven hundred thirty-four thousand, twenty-two".

Divisors: 1 2 61 122 169951 339902 10367011 20734022