20242420460 has 12 divisors (see below), whose sum is σ = 42509083008. Its totient is φ = 8096968176.

The previous prime is 20242420447. The next prime is 20242420477. The reversal of 20242420460 is 6402424202.

It is a happy number.

It is a super-3 number, since 3×20242420460³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 506060492 + ... + 506060531.

It is an arithmetic number, because the mean of its divisors is an integer number (3542423584).

Almost surely, 2^20242420460 is an apocalyptic number.

20242420460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20242420460 is an abundant number, since it is smaller than the sum of its proper divisors (22266662548).

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

20242420460 is a wasteful number, since it uses less digits than its factorization.

20242420460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1012121032 (or 1012121030 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 20242420460 its reverse (6402424202), we get a palindrome (26644844662).

The spelling of 20242420460 in words is "twenty billion, two hundred forty-two million, four hundred twenty thousand, four hundred sixty".