20020150 has 24 divisors (see below), whose sum is σ = 38524320. Its totient is φ = 7731360.

The previous prime is 20020109. The next prime is 20020151. The reversal of 20020150 is 5102002.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20020151) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5454 + ... + 8353.

It is an arithmetic number, because the mean of its divisors is an integer number (1605180).

Almost surely, 2^20020150 is an apocalyptic number.

20020150 is a deficient number, since it is larger than the sum of its proper divisors (18504170).

20020150 is a wasteful number, since it uses less digits than its factorization.

20020150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13848 (or 13843 counting only the distinct ones).

The product of its (nonzero) digits is 20, while the sum is 10.

The square root of 20020150 is about 4474.3882263389. The cubic root of 20020150 is about 271.5328902539.

Adding to 20020150 its reverse (5102002), we get a palindrome (25122152).

The spelling of 20020150 in words is "twenty million, twenty thousand, one hundred fifty".