20740335 has 32 divisors (see below), whose sum is σ = 41375232. Its totient is φ = 8618880.

The previous prime is 20740297. The next prime is 20740351. The reversal of 20740335 is 53304702.

It is not a de Polignac number, because 20740335 - 2⁸ = 20740079 is a prime.

It is a super-2 number, since 2×20740335² = 860322991824450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7824 + ... + 10133.

It is an arithmetic number, because the mean of its divisors is an integer number (1292976).

Almost surely, 2^20740335 is an apocalyptic number.

20740335 is a deficient number, since it is larger than the sum of its proper divisors (20634897).

20740335 is a wasteful number, since it uses less digits than its factorization.

20740335 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17983.

The product of its (nonzero) digits is 2520, while the sum is 24.

The square root of 20740335 is about 4554.1557944365. The cubic root of 20740335 is about 274.7505616946.

The spelling of 20740335 in words is "twenty million, seven hundred forty thousand, three hundred thirty-five".