20053350 has 36 divisors (see below), whose sum is σ = 53877876. Its totient is φ = 5347440.

The previous prime is 20053343. The next prime is 20053357. The reversal of 20053350 is 5335002.

It is an interprime number because it is at equal distance from previous prime (20053343) and next prime (20053357).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20053357) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 21832 + ... + 22731.

Almost surely, 2^20053350 is an apocalyptic number.

20053350 is an abundant number, since it is smaller than the sum of its proper divisors (33824526).

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

20053350 is a wasteful number, since it uses less digits than its factorization.

20053350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44581 (or 44573 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 18.

The square root of 20053350 is about 4478.0966939091. The cubic root of 20053350 is about 271.6829043368.

Adding to 20053350 its reverse (5335002), we get a palindrome (25388352).

The spelling of 20053350 in words is "twenty million, fifty-three thousand, three hundred fifty".