20465350 has 24 divisors (see below), whose sum is σ = 38198448. Its totient is φ = 8157600.

The previous prime is 20465323. The next prime is 20465353. The reversal of 20465350 is 5356402.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20465353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19335 + ... + 20365.

It is an arithmetic number, because the mean of its divisors is an integer number (1591602).

Almost surely, 2^20465350 is an apocalyptic number.

20465350 is a deficient number, since it is larger than the sum of its proper divisors (17733098).

20465350 is a wasteful number, since it uses less digits than its factorization.

20465350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1440 (or 1435 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 20465350 is about 4523.8644984128. The cubic root of 20465350 is about 273.5308985430.

It can be divided in two parts, 2046 and 5350, that added together give a square (7396 = 86²).

The spelling of 20465350 in words is "twenty million, four hundred sixty-five thousand, three hundred fifty".