10195020 has 144 divisors (see below), whose sum is σ = 35642880. Its totient is φ = 2332800.

The previous prime is 10194997. The next prime is 10195021. The reversal of 10195020 is 2059101.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 10194984 and 10195002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10195021) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 37485 + ... + 37755.

It is an arithmetic number, because the mean of its divisors is an integer number (247520).

Almost surely, 2^10195020 is an apocalyptic number.

10195020 is a gapful number since it is divisible by the number (10) 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 10195020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17821440).

10195020 is an abundant number, since it is smaller than the sum of its proper divisors (25447860).

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

10195020 is a wasteful number, since it uses less digits than its factorization.

10195020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316 (or 311 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 18.

The square root of 10195020 is about 3192.9641401056. The cubic root of 10195020 is about 216.8349882031.

The spelling of 10195020 in words is "ten million, one hundred ninety-five thousand, twenty".