20350501 has 8 divisors (see below), whose sum is σ = 21463520. Its totient is φ = 19241712.

The previous prime is 20350493. The next prime is 20350531. The reversal of 20350501 is 10505302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20350501 - 2³ = 20350493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20350531) 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 7 ways as a sum of consecutive naturals, for example, 16171 + ... + 17383.

It is an arithmetic number, because the mean of its divisors is an integer number (2682940).

Almost surely, 2^20350501 is an apocalyptic number.

It is an amenable number.

20350501 is a deficient number, since it is larger than the sum of its proper divisors (1113019).

20350501 is a wasteful number, since it uses less digits than its factorization.

20350501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2115.

The product of its (nonzero) digits is 150, while the sum is 16.

The square root of 20350501 is about 4511.1529568393. The cubic root of 20350501 is about 273.0182645985.

Adding to 20350501 its reverse (10505302), we get a palindrome (30855803).

The spelling of 20350501 in words is "twenty million, three hundred fifty thousand, five hundred one".