20224464663460 has 48 divisors (see below), whose sum is σ = 42747202537200. Its totient is φ = 8037313839104.

The previous prime is 20224464663451. The next prime is 20224464663461. The reversal of 20224464663460 is 6436646442202.

It can be written as a sum of positive squares in 8 ways, for example, as 4443056916736 + 15781407746724 = 2107856^2 + 3972582^2 .

It is a super-2 number, since 2×20224464663460² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20224464663461) 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, 2800896 + ... + 6949384.

It is an arithmetic number, because the mean of its divisors is an integer number (890566719525).

Almost surely, 2^{20224464663460} is an apocalyptic number.

20224464663460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20224464663460 is an abundant number, since it is smaller than the sum of its proper divisors (22522737873740).

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

20224464663460 is a wasteful number, since it uses less digits than its factorization.

20224464663460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4150080 (or 4150078 counting only the distinct ones).

The product of its (nonzero) digits is 7962624, while the sum is 49.

The spelling of 20224464663460 in words is "twenty trillion, two hundred twenty-four billion, four hundred sixty-four million, six hundred sixty-three thousand, four hundred sixty".