20933422 has 4 divisors (see below), whose sum is σ = 31400136. Its totient is φ = 10466710.

The previous prime is 20933399. The next prime is 20933449. The reversal of 20933422 is 22433902.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22433902 = 2 ⋅11216951.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5233354 + ... + 5233357.

It is an arithmetic number, because the mean of its divisors is an integer number (7850034).

Almost surely, 2^20933422 is an apocalyptic number.

20933422 is a deficient number, since it is larger than the sum of its proper divisors (10466714).

20933422 is a wasteful number, since it uses less digits than its factorization.

20933422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10466713.

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 20933422 is about 4575.3056728485. The cubic root of 20933422 is about 275.6005476188.

The spelling of 20933422 in words is "twenty million, nine hundred thirty-three thousand, four hundred twenty-two".