10172020 has 24 divisors (see below), whose sum is σ = 21520800.
Its totient is φ = 4038432.
The previous prime is 10172017. The next prime is 10172021. The reversal of 10172020 is 2027101.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10172021) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 951 + ... + 4609.
It is an arithmetic number, because the mean of its divisors is an integer number (896700).
Almost surely, 210172020 is an apocalyptic number.
10172020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
10172020 is an abundant number, since it is smaller than the sum of its proper divisors (11348780).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10172020 is a wasteful number, since it uses less digits than its factorization.
10172020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3807 (or 3805 counting only the distinct ones).
The product of its (nonzero) digits is 28, while the sum is 13.
The square root of 10172020 is about 3189.3604374545.
The cubic root of 10172020 is about 216.6718052693.
Adding to 10172020 its reverse (2027101), we get a palindrome (12199121).
The spelling of 10172020 in words is "ten million, one hundred seventy-two thousand, twenty".