20433962 has 4 divisors (see below), whose sum is σ = 30650946. Its totient is φ = 10216980.

The previous prime is 20433943. The next prime is 20433967. The reversal of 20433962 is 26933402.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 17648401 + 2785561 = 4201^2 + 1669^2 .

It is not an unprimeable number, because it can be changed into a prime (20433967) 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 as a sum of consecutive naturals, namely, 5108489 + ... + 5108492.

Almost surely, 2^20433962 is an apocalyptic number.

20433962 is a deficient number, since it is larger than the sum of its proper divisors (10216984).

20433962 is a wasteful number, since it uses less digits than its factorization.

20433962 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10216983.

The product of its (nonzero) digits is 7776, while the sum is 29.

The square root of 20433962 is about 4520.3940093757. The cubic root of 20433962 is about 273.3909875737.

The spelling of 20433962 in words is "twenty million, four hundred thirty-three thousand, nine hundred sixty-two".