20335893 has 16 divisors (see below), whose sum is σ = 28881216. Its totient is φ = 12683520.

The previous prime is 20335883. The next prime is 20335897. The reversal of 20335893 is 39853302.

It is not a de Polignac number, because 20335893 - 2¹⁶ = 20270357 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20335897) 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, 8130 + ... + 10332.

It is an arithmetic number, because the mean of its divisors is an integer number (1805076).

Almost surely, 2^20335893 is an apocalyptic number.

It is an amenable number.

20335893 is a deficient number, since it is larger than the sum of its proper divisors (8545323).

20335893 is a wasteful number, since it uses less digits than its factorization.

20335893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2404.

The product of its (nonzero) digits is 19440, while the sum is 33.

The square root of 20335893 is about 4509.5335678981. The cubic root of 20335893 is about 272.9529229562.

The spelling of 20335893 in words is "twenty million, three hundred thirty-five thousand, eight hundred ninety-three".