20933084 has 6 divisors (see below), whose sum is σ = 36632904. Its totient is φ = 10466540.

The previous prime is 20933071. The next prime is 20933093. The reversal of 20933084 is 48033902.

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, 2616632 + ... + 2616639.

It is an arithmetic number, because the mean of its divisors is an integer number (6105484).

Almost surely, 2^20933084 is an apocalyptic number.

It is an amenable number.

20933084 is a deficient number, since it is larger than the sum of its proper divisors (15699820).

20933084 is a wasteful number, since it uses less digits than its factorization.

20933084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5233275 (or 5233273 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 20933084 is about 4575.2687352767. The cubic root of 20933084 is about 275.5990642893.

Adding to 20933084 its reverse (48033902), we get a palindrome (68966986).

The spelling of 20933084 in words is "twenty million, nine hundred thirty-three thousand, eighty-four".