20450160 has 60 divisors (see below), whose sum is σ = 68680872. Its totient is φ = 5453184.

The previous prime is 20450149. The next prime is 20450207. The reversal of 20450160 is 6105402.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (60).

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

It is a congruent number.

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, 13482 + ... + 14921.

Almost surely, 2^20450160 is an apocalyptic number.

20450160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20450160 is an abundant number, since it is smaller than the sum of its proper divisors (48230712).

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

20450160 is a wasteful number, since it uses less digits than its factorization.

20450160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28422 (or 28413 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 20450160 is about 4522.1853124347. The cubic root of 20450160 is about 273.4632074987.

Adding to 20450160 its reverse (6105402), we get a palindrome (26555562).

The spelling of 20450160 in words is "twenty million, four hundred fifty thousand, one hundred sixty".