20241947 has 8 divisors (see below), whose sum is σ = 22196592. Its totient is φ = 18306400.

The previous prime is 20241943. The next prime is 20241953. The reversal of 20241947 is 74914202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20241947 - 2² = 20241943 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20241941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2504 + ... + 6837.

It is an arithmetic number, because the mean of its divisors is an integer number (2774574).

Almost surely, 2^20241947 is an apocalyptic number.

20241947 is a deficient number, since it is larger than the sum of its proper divisors (1954645).

20241947 is a wasteful number, since it uses less digits than its factorization.

20241947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9549.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 20241947 is about 4499.1051332459. The cubic root of 20241947 is about 272.5319525980.

The spelling of 20241947 in words is "twenty million, two hundred forty-one thousand, nine hundred forty-seven".