20242064 has 10 divisors (see below), whose sum is σ = 39219030. Its totient is φ = 10121024.

The previous prime is 20242051. The next prime is 20242067. The reversal of 20242064 is 46024202.

It can be written as a sum of positive squares in only one way, i.e., 19891600 + 350464 = 4460^2 + 592^2 .

It is not an unprimeable number, because it can be changed into a prime (20242067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 632549 + ... + 632580.

It is an arithmetic number, because the mean of its divisors is an integer number (3921903).

Almost surely, 2^20242064 is an apocalyptic number.

It is an amenable number.

20242064 is a deficient number, since it is larger than the sum of its proper divisors (18976966).

20242064 is a wasteful number, since it uses less digits than its factorization.

20242064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1265137 (or 1265131 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 20242064 is about 4499.1181358128. The cubic root of 20242064 is about 272.5324776822.

Adding to 20242064 its reverse (46024202), we get a palindrome (66266266).

The spelling of 20242064 in words is "twenty million, two hundred forty-two thousand, sixty-four".