20250406 has 8 divisors (see below), whose sum is σ = 33137064. Its totient is φ = 9204720.

The previous prime is 20250401. The next prime is 20250413. The reversal of 20250406 is 60405202.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20250401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 460215 + ... + 460258.

It is an arithmetic number, because the mean of its divisors is an integer number (4142133).

Almost surely, 2^20250406 is an apocalyptic number.

20250406 is a deficient number, since it is larger than the sum of its proper divisors (12886658).

20250406 is a wasteful number, since it uses less digits than its factorization.

20250406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 920486.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 20250406 is about 4500.0451108850. The cubic root of 20250406 is about 272.5699105200.

Adding to 20250406 its reverse (60405202), we get a palindrome (80655608).

The spelling of 20250406 in words is "twenty million, two hundred fifty thousand, four hundred six".