20341975 has 12 divisors (see below), whose sum is σ = 25639480. Its totient is φ = 16005600.

The previous prime is 20341957. The next prime is 20341987. The reversal of 20341975 is 57914302.

It is not a de Polignac number, because 20341975 - 2²¹ = 18244823 is a prime.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5145 + ... + 8194.

Almost surely, 2^20341975 is an apocalyptic number.

20341975 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

20341975 is a deficient number, since it is larger than the sum of its proper divisors (5297505).

20341975 is a wasteful number, since it uses less digits than its factorization.

20341975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13410 (or 13405 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 20341975 is about 4510.2078666066. The cubic root of 20341975 is about 272.9801315671.

It can be divided in two parts, 20341 and 975, that added together give a square (21316 = 146²).

The spelling of 20341975 in words is "twenty million, three hundred forty-one thousand, nine hundred seventy-five".