20633426 has 8 divisors (see below), whose sum is σ = 33763824. Its totient is φ = 9378820.

The previous prime is 20633419. The next prime is 20633429. The reversal of 20633426 is 62433602.

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 = 20633395 and 20633404.

It is not an unprimeable number, because it can be changed into a prime (20633429) 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, 468920 + ... + 468963.

It is an arithmetic number, because the mean of its divisors is an integer number (4220478).

Almost surely, 2^20633426 is an apocalyptic number.

20633426 is a deficient number, since it is larger than the sum of its proper divisors (13130398).

20633426 is a wasteful number, since it uses less digits than its factorization.

20633426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 937896.

The product of its (nonzero) digits is 5184, while the sum is 26.

The square root of 20633426 is about 4542.4031084878. The cubic root of 20633426 is about 274.2776679756.

The spelling of 20633426 in words is "twenty million, six hundred thirty-three thousand, four hundred twenty-six".