20341040 has 40 divisors (see below), whose sum is σ = 47528208. Its totient is φ = 8096000.

The previous prime is 20341037. The next prime is 20341063. The reversal of 20341040 is 4014302.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19574 + ... + 20586.

Almost surely, 2^20341040 is an apocalyptic number.

20341040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20341040 is an abundant number, since it is smaller than the sum of its proper divisors (27187168).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20341040 is a wasteful number, since it uses less digits than its factorization.

20341040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1277 (or 1271 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 20341040 is about 4510.1042116563. The cubic root of 20341040 is about 272.9759490769.

Adding to 20341040 its reverse (4014302), we get a palindrome (24355342).

The spelling of 20341040 in words is "twenty million, three hundred forty-one thousand, forty".