20238454 has 8 divisors (see below), whose sum is σ = 30387960. Its totient is φ = 10109136.

The previous prime is 20238437. The next prime is 20238469. The reversal of 20238454 is 45483202.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2224 + ... + 6739.

It is an arithmetic number, because the mean of its divisors is an integer number (3798495).

Almost surely, 2^20238454 is an apocalyptic number.

20238454 is a deficient number, since it is larger than the sum of its proper divisors (10149506).

20238454 is a wasteful number, since it uses less digits than its factorization.

20238454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10094.

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 20238454 is about 4498.7169281919. The cubic root of 20238454 is about 272.5162754356.

The spelling of 20238454 in words is "twenty million, two hundred thirty-eight thousand, four hundred fifty-four".