20220150 has 48 divisors (see below), whose sum is σ = 50514624. Its totient is φ = 5352480.

The previous prime is 20220149. The next prime is 20220173. The reversal of 20220150 is 5102202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24037 + ... + 24863.

It is an arithmetic number, because the mean of its divisors is an integer number (1052388).

Almost surely, 2^20220150 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20220150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25257312).

20220150 is an abundant number, since it is smaller than the sum of its proper divisors (30294474).

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

20220150 is a wasteful number, since it uses less digits than its factorization.

20220150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1005 (or 1000 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 12.

The square root of 20220150 is about 4496.6821101786. The cubic root of 20220150 is about 272.4340945463.

Adding to 20220150 its reverse (5102202), we get a palindrome (25322352).

The spelling of 20220150 in words is "twenty million, two hundred twenty thousand, one hundred fifty".