20242470 has 16 divisors (see below), whose sum is σ = 48582000. Its totient is φ = 5397984.

The previous prime is 20242459. The next prime is 20242471. The reversal of 20242470 is 7424202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20242471) 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, 337345 + ... + 337404.

It is an arithmetic number, because the mean of its divisors is an integer number (3036375).

Almost surely, 2^20242470 is an apocalyptic number.

20242470 is an abundant number, since it is smaller than the sum of its proper divisors (28339530).

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

20242470 is a wasteful number, since it uses less digits than its factorization.

20242470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 674759.

The product of its (nonzero) digits is 896, while the sum is 21.

The square root of 20242470 is about 4499.1632555399. The cubic root of 20242470 is about 272.5342997534.

Adding to 20242470 its reverse (7424202), we get a palindrome (27666672).

The spelling of 20242470 in words is "twenty million, two hundred forty-two thousand, four hundred seventy".