20433826 has 32 divisors (see below), whose sum is σ = 36352512. Its totient is φ = 8432640.

The previous prime is 20433823. The next prime is 20433851. The reversal of 20433826 is 62833402.

It is a junction number, because it is equal to n+sod(n) for n = 20433794 and 20433803.

It is not an unprimeable number, because it can be changed into a prime (20433823) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55495 + ... + 55861.

It is an arithmetic number, because the mean of its divisors is an integer number (1136016).

Almost surely, 2^20433826 is an apocalyptic number.

20433826 is a deficient number, since it is larger than the sum of its proper divisors (15918686).

20433826 is a wasteful number, since it uses less digits than its factorization.

20433826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 514.

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 20433826 is about 4520.3789664142. The cubic root of 20433826 is about 273.3903810466.

It can be divided in two parts, 20 and 433826, that added together give a triangular number (433846 = T₉₃₁).

The spelling of 20433826 in words is "twenty million, four hundred thirty-three thousand, eight hundred twenty-six".