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20264552 = 2371167491
BaseRepresentation
bin100110101001…
…1011001101000
31102010112201222
41031103121220
520141431202
62002201212
7334150220
oct115233150
942115658
1020264552
1110491070
126953208
134276979
142997080
151ba44a2
hex1353668

20264552 has 64 divisors (see below), whose sum is σ = 48176640. Its totient is φ = 7761600.

The previous prime is 20264551. The next prime is 20264593. The reversal of 20264552 is 25546202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20264551) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41027 + ... + 41517.

It is an arithmetic number, because the mean of its divisors is an integer number (752760).

Almost surely, 220264552 is an apocalyptic number.

20264552 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20264552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24088320).

20264552 is an abundant number, since it is smaller than the sum of its proper divisors (27912088).

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

20264552 is a wasteful number, since it uses less digits than its factorization.

20264552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 582 (or 578 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 20264552 is about 4501.6165985121. The cubic root of 20264552 is about 272.6333640046.

The spelling of 20264552 in words is "twenty million, two hundred sixty-four thousand, five hundred fifty-two".

Divisors: 1 2 4 7 8 11 14 22 28 44 56 67 77 88 134 154 268 308 469 491 536 616 737 938 982 1474 1876 1964 2948 3437 3752 3928 5159 5401 5896 6874 10318 10802 13748 20636 21604 27496 32897 37807 41272 43208 65794 75614 131588 151228 230279 263176 302456 361867 460558 723734 921116 1447468 1842232 2533069 2894936 5066138 10132276 20264552