20242260464 has 40 divisors (see below), whose sum is σ = 40504074240. Its totient is φ = 9789912000.

The previous prime is 20242260431. The next prime is 20242260473. The reversal of 20242260464 is 46406224202.

It is a self number, because there is not a number n which added to its sum of digits gives 20242260464.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1157417 + ... + 1174775.

It is an arithmetic number, because the mean of its divisors is an integer number (1012601856).

Almost surely, 2^20242260464 is an apocalyptic number.

It is an amenable number.

20242260464 is an abundant number, since it is smaller than the sum of its proper divisors (20261813776).

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

20242260464 is a wasteful number, since it uses less digits than its factorization.

20242260464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19749 (or 19743 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 20242260464 its reverse (46406224202), we get a palindrome (66648484666).

The spelling of 20242260464 in words is "twenty billion, two hundred forty-two million, two hundred sixty thousand, four hundred sixty-four".