20010150 has 72 divisors (see below), whose sum is σ = 54840240. Its totient is φ = 5229120.

The previous prime is 20010127. The next prime is 20010157. The reversal of 20010150 is 5101002.

It is a happy number.

It is a super-2 number, since 2×20010150² = 800812206045000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20010157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 23431 + ... + 24269.

It is an arithmetic number, because the mean of its divisors is an integer number (761670).

Almost surely, 2^20010150 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20010150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27420120).

20010150 is an abundant number, since it is smaller than the sum of its proper divisors (34830090).

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

20010150 is a wasteful number, since it uses less digits than its factorization.

20010150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 910 (or 902 counting only the distinct ones).

The product of its (nonzero) digits is 10, while the sum is 9.

The square root of 20010150 is about 4473.2706155564. The cubic root of 20010150 is about 271.4876727917.

Adding to 20010150 its reverse (5101002), we get a palindrome (25111152).

The spelling of 20010150 in words is "twenty million, ten thousand, one hundred fifty".