20415053 has 8 divisors (see below), whose sum is σ = 21653376. Its totient is φ = 19206000.

The previous prime is 20415041. The next prime is 20415071. The reversal of 20415053 is 35051402.

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 20415053 - 2⁴ = 20415037 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 (20415013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5873 + ... + 8678.

It is an arithmetic number, because the mean of its divisors is an integer number (2706672).

Almost surely, 2^20415053 is an apocalyptic number.

20415053 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

20415053 is a deficient number, since it is larger than the sum of its proper divisors (1238323).

20415053 is a wasteful number, since it uses less digits than its factorization.

20415053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14635.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 20415053 is about 4518.3020040719. The cubic root of 20415053 is about 273.3066321660.

Adding to 20415053 its reverse (35051402), we get a palindrome (55466455).

The spelling of 20415053 in words is "twenty million, four hundred fifteen thousand, fifty-three".