20454926 has 8 divisors (see below), whose sum is σ = 31261464. Its totient is φ = 10034440.

The previous prime is 20454923. The next prime is 20454943. The reversal of 20454926 is 62945402.

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

It is a junction number, because it is equal to n+sod(n) for n = 20454892 and 20454901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20454923) 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 3 ways as a sum of consecutive naturals, for example, 96380 + ... + 96591.

It is an arithmetic number, because the mean of its divisors is an integer number (3907683).

Almost surely, 2^20454926 is an apocalyptic number.

20454926 is a deficient number, since it is larger than the sum of its proper divisors (10806538).

20454926 is a wasteful number, since it uses less digits than its factorization.

20454926 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193026.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 20454926 is about 4522.7122393537. The cubic root of 20454926 is about 273.4844497841.

The spelling of 20454926 in words is "twenty million, four hundred fifty-four thousand, nine hundred twenty-six".