20271350 has 24 divisors (see below), whose sum is σ = 41133528. Its totient is φ = 7371200.

The previous prime is 20271331. The next prime is 20271353. The reversal of 20271350 is 5317202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20271353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17879 + ... + 18978.

It is an arithmetic number, because the mean of its divisors is an integer number (1713897).

Almost surely, 2^20271350 is an apocalyptic number.

20271350 is an abundant number, since it is smaller than the sum of its proper divisors (20862178).

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

20271350 is a wasteful number, since it uses less digits than its factorization.

20271350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36880 (or 36875 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 20271350 is about 4502.3715972807. The cubic root of 20271350 is about 272.6638466985.

Adding to 20271350 its reverse (5317202), we get a palindrome (25588552).

The spelling of 20271350 in words is "twenty million, two hundred seventy-one thousand, three hundred fifty".