20140933 has 2 divisors, whose sum is σ = 20140934. Its totient is φ = 20140932.

The previous prime is 20140927. The next prime is 20140943. The reversal of 20140933 is 33904102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11573604 + 8567329 = 3402^2 + 2927^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20140933 is a prime.

It is a super-2 number, since 2×20140933² = 811314364220978, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20140943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10070466 + 10070467.

It is an arithmetic number, because the mean of its divisors is an integer number (10070467).

Almost surely, 2^20140933 is an apocalyptic number.

It is an amenable number.

20140933 is a deficient number, since it is larger than the sum of its proper divisors (1).

20140933 is an equidigital number, since it uses as much as digits as its factorization.

20140933 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 20140933 is about 4487.8650826423. The cubic root of 20140933 is about 272.0778549120.

The spelling of 20140933 in words is "twenty million, one hundred forty thousand, nine hundred thirty-three".