Search a number
BaseRepresentation
bin100111010011…
…001001000100
3201101101201022
4213103021010
510114131040
61004450312
7153365021
oct47231104
921341638
1010302020
1158a7073
123549998
132199191
141522548
15d876b5
hex9d3244

10302020 has 24 divisors (see below), whose sum is σ = 21700224. Its totient is φ = 4108256.

The previous prime is 10302011. The next prime is 10302037. The reversal of 10302020 is 2020301.

It is a super-2 number, since 2×103020202 = 212263232160800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10301989 and 10302007.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8789 + ... + 9891.

It is an arithmetic number, because the mean of its divisors is an integer number (904176).

Almost surely, 210302020 is an apocalyptic number.

10302020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10302020 is an abundant number, since it is smaller than the sum of its proper divisors (11398204).

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

10302020 is a wasteful number, since it uses less digits than its factorization.

10302020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1579 (or 1577 counting only the distinct ones).

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

The square root of 10302020 is about 3209.6759961093. The cubic root of 10302020 is about 217.5909339234.

Adding to 10302020 its reverse (2020301), we get a palindrome (12322321).

The spelling of 10302020 in words is "ten million, three hundred two thousand, twenty".