20150244 has 36 divisors (see below), whose sum is σ = 52694460. Its totient is φ = 6484800.

The previous prime is 20150233. The next prime is 20150257. The reversal of 20150244 is 44205102.

It can be written as a sum of positive squares in 2 ways, for example, as 10969344 + 9180900 = 3312^2 + 3030^2 .

It is a tau number, because it is divible by the number of its divisors (36).

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8607 + ... + 10694.

It is an arithmetic number, because the mean of its divisors is an integer number (1463735).

Almost surely, 2^20150244 is an apocalyptic number.

It is an amenable number.

20150244 is an abundant number, since it is smaller than the sum of its proper divisors (32544216).

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

20150244 is a wasteful number, since it uses less digits than its factorization.

20150244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19340 (or 19335 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 20150244 is about 4488.9023157115. The cubic root of 20150244 is about 272.1197749600.

Adding to 20150244 its reverse (44205102), we get a palindrome (64355346).

It can be divided in two parts, 2015024 and 4, that added together give a triangular number (2015028 = T₂₀₀₇).

The spelling of 20150244 in words is "twenty million, one hundred fifty thousand, two hundred forty-four".