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20701932 = 22323107701
BaseRepresentation
bin100111011111…
…0001011101100
31102221202201020
41032332023230
520244430212
62015414140
7340651326
oct116761354
942852636
1020701932
111075a739
126b24350
13439aa84
142a6c616
151c3dd8c
hex13be2ec

20701932 has 48 divisors (see below), whose sum is σ = 50948352. Its totient is φ = 6529600.

The previous prime is 20701921. The next prime is 20701951. The reversal of 20701932 is 23910702.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29182 + ... + 29882.

It is an arithmetic number, because the mean of its divisors is an integer number (1061424).

Almost surely, 220701932 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20701932, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25474176).

20701932 is an abundant number, since it is smaller than the sum of its proper divisors (30246420).

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

20701932 is a wasteful number, since it uses less digits than its factorization.

20701932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 838 (or 836 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 24.

The square root of 20701932 is about 4549.9375819894. The cubic root of 20701932 is about 274.5808800125.

The spelling of 20701932 in words is "twenty million, seven hundred one thousand, nine hundred thirty-two".

Divisors: 1 2 3 4 6 12 23 46 69 92 107 138 214 276 321 428 642 701 1284 1402 2103 2461 2804 4206 4922 7383 8412 9844 14766 16123 29532 32246 48369 64492 75007 96738 150014 193476 225021 300028 450042 900084 1725161 3450322 5175483 6900644 10350966 20701932