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10110020 = 225505501
BaseRepresentation
bin100110100100…
…010001000100
3201000122100012
4212210101010
510042010040
61000405352
7151635164
oct46442104
921018305
1010110020
115785898
123476858
13212c97b
1414b25a4
15d4a865
hex9a4444

10110020 has 12 divisors (see below), whose sum is σ = 21231084. Its totient is φ = 4044000.

The previous prime is 10110017. The next prime is 10110047. The reversal of 10110020 is 2001101.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 6431296 + 3678724 = 2536^2 + 1918^2 .

It is a Harshad number since it is a multiple of its sum of digits (5).

It is a junction number, because it is equal to n+sod(n) for n = 10109986 and 10110013.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 252731 + ... + 252770.

It is an arithmetic number, because the mean of its divisors is an integer number (1769257).

Almost surely, 210110020 is an apocalyptic number.

10110020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10110020 is an abundant number, since it is smaller than the sum of its proper divisors (11121064).

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

10110020 is a wasteful number, since it uses less digits than its factorization.

10110020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505510 (or 505508 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 5.

The square root of 10110020 is about 3179.6257641427. The cubic root of 10110020 is about 216.2306920291.

Adding to 10110020 its reverse (2001101), we get a palindrome (12111121).

The spelling of 10110020 in words is "ten million, one hundred ten thousand, twenty".

Divisors: 1 2 4 5 10 20 505501 1011002 2022004 2527505 5055010 10110020