20247410 has 16 divisors (see below), whose sum is σ = 37293696. Its totient is φ = 7910448.

The previous prime is 20247389. The next prime is 20247413. The reversal of 20247410 is 1474202.

It is a super-2 number, since 2×20247410² = 819915223416200, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20247413) 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, 23114 + ... + 23973.

It is an arithmetic number, because the mean of its divisors is an integer number (2330856).

Almost surely, 2^20247410 is an apocalyptic number.

20247410 is a deficient number, since it is larger than the sum of its proper divisors (17046286).

20247410 is a wasteful number, since it uses less digits than its factorization.

20247410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47137.

The product of its (nonzero) digits is 448, while the sum is 20.

The square root of 20247410 is about 4499.7122130199. The cubic root of 20247410 is about 272.5564678310.

The spelling of 20247410 in words is "twenty million, two hundred forty-seven thousand, four hundred ten".