20240418 has 32 divisors (see below), whose sum is σ = 44776512. Its totient is φ = 6048000.

The previous prime is 20240411. The next prime is 20240419. The reversal of 20240418 is 81404202.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 20240394 and 20240403.

It is not an unprimeable number, because it can be changed into a prime (20240411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2718 + ... + 6918.

It is an arithmetic number, because the mean of its divisors is an integer number (1399266).

Almost surely, 2^20240418 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20240418, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22388256).

20240418 is an abundant number, since it is smaller than the sum of its proper divisors (24536094).

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

20240418 is a wasteful number, since it uses less digits than its factorization.

20240418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4290.

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 20240418 is about 4498.9352073574. The cubic root of 20240418 is about 272.5250904148.

The spelling of 20240418 in words is "twenty million, two hundred forty thousand, four hundred eighteen".