20242074 has 32 divisors (see below), whose sum is σ = 41518080. Its totient is φ = 6577200.

The previous prime is 20242067. The next prime is 20242099. The reversal of 20242074 is 47024202.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 20242074.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74559 + ... + 74829.

It is an arithmetic number, because the mean of its divisors is an integer number (1297440).

Almost surely, 2^20242074 is an apocalyptic number.

20242074 is an abundant number, since it is smaller than the sum of its proper divisors (21276006).

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

20242074 is a wasteful number, since it uses less digits than its factorization.

20242074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546.

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

The square root of 20242074 is about 4499.1192471416. The cubic root of 20242074 is about 272.5325225611.

Adding to 20242074 its reverse (47024202), we get a palindrome (67266276).

It can be divided in two parts, 202 and 42074, that multiplied together give a palindrome (8498948).

The spelling of 20242074 in words is "twenty million, two hundred forty-two thousand, seventy-four".