20150274 has 32 divisors (see below), whose sum is σ = 41751360. Its totient is φ = 6478272.

The previous prime is 20150267. The next prime is 20150303. The reversal of 20150274 is 47205102.

It is a self number, because there is not a number n which added to its sum of digits gives 20150274.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30532 + ... + 31184.

It is an arithmetic number, because the mean of its divisors is an integer number (1304730).

Almost surely, 2^20150274 is an apocalyptic number.

20150274 is an abundant number, since it is smaller than the sum of its proper divisors (21601086).

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

20150274 is a wasteful number, since it uses less digits than its factorization.

20150274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 834.

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 20150274 is about 4488.9056572844. The cubic root of 20150274 is about 272.1199100053.

Adding to 20150274 its reverse (47205102), we get a palindrome (67355376).

The spelling of 20150274 in words is "twenty million, one hundred fifty thousand, two hundred seventy-four".