20462426 has 8 divisors (see below), whose sum is σ = 30716820. Its totient is φ = 10223488.

The previous prime is 20462423. The next prime is 20462459. The reversal of 20462426 is 62426402.

It can be written as a sum of positive squares in 2 ways, for example, as 14707225 + 5755201 = 3835^2 + 2399^2 .

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 = 20462395 and 20462404.

It is not an unprimeable number, because it can be changed into a prime (20462423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 380 + ... + 6408.

Almost surely, 2^20462426 is an apocalyptic number.

20462426 is a deficient number, since it is larger than the sum of its proper divisors (10254394).

20462426 is a wasteful number, since it uses less digits than its factorization.

20462426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7728.

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 20462426 is about 4523.5413118485. The cubic root of 20462426 is about 273.5178709551.

Adding to 20462426 its reverse (62426402), we get a palindrome (82888828).

The spelling of 20462426 in words is "twenty million, four hundred sixty-two thousand, four hundred twenty-six".