20420024304 has 80 divisors (see below), whose sum is σ = 52978752000. Its totient is φ = 6777458688.

The previous prime is 20420024279. The next prime is 20420024321. The reversal of 20420024304 is 40342002402.

It is a congruent number.

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, 18512617 + ... + 18513719.

It is an arithmetic number, because the mean of its divisors is an integer number (662234400).

Almost surely, 2^20420024304 is an apocalyptic number.

20420024304 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20420024304 is an abundant number, since it is smaller than the sum of its proper divisors (32558727696).

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

20420024304 is a wasteful number, since it uses less digits than its factorization.

20420024304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2422 (or 2416 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 21.

Adding to 20420024304 its reverse (40342002402), we get a palindrome (60762026706).

The spelling of 20420024304 in words is "twenty billion, four hundred twenty million, twenty-four thousand, three hundred four".