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20230100 = 22521153347
BaseRepresentation
bin100110100101…
…0111111010100
31102001210110222
41031022333110
520134330400
62001333512
7333644612
oct115127724
942053428
1020230100
11104681a0
126937298
134264097
1429886b2
151b99185
hex134afd4

20230100 has 72 divisors (see below), whose sum is σ = 48934368. Its totient is φ = 7196800.

The previous prime is 20230099. The next prime is 20230103. The reversal of 20230100 is 103202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20230103) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 58127 + ... + 58473.

It is an arithmetic number, because the mean of its divisors is an integer number (679644).

Almost surely, 220230100 is an apocalyptic number.

20230100 is a gapful number since it is divisible by the number (20) 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 20230100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24467184).

20230100 is an abundant number, since it is smaller than the sum of its proper divisors (28704268).

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

20230100 is a wasteful number, since it uses less digits than its factorization.

20230100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425 (or 418 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 8.

The square root of 20230100 is about 4497.7883453982. The cubic root of 20230100 is about 272.4787739828.

Adding to 20230100 its reverse (103202), we get a palindrome (20333302).

The spelling of 20230100 in words is "twenty million, two hundred thirty thousand, one hundred".

Divisors: 1 2 4 5 10 11 20 22 25 44 50 53 55 100 106 110 212 220 265 275 347 530 550 583 694 1060 1100 1166 1325 1388 1735 2332 2650 2915 3470 3817 5300 5830 6940 7634 8675 11660 14575 15268 17350 18391 19085 29150 34700 36782 38170 58300 73564 76340 91955 95425 183910 190850 202301 367820 381700 404602 459775 809204 919550 1011505 1839100 2023010 4046020 5057525 10115050 20230100