20120424000 has 112 divisors (see below), whose sum is σ = 66437719296. Its totient is φ = 5365440000.

The previous prime is 20120423971. The next prime is 20120424041. The reversal of 20120424000 is 42402102.

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 395176 + ... + 443175.

Almost surely, 2^20120424000 is an apocalyptic number.

20120424000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20120424000 is an abundant number, since it is smaller than the sum of its proper divisors (46317295296).

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

20120424000 is an equidigital number, since it uses as much as digits as its factorization.

20120424000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 838381 (or 838361 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 20120424000 its reverse (42402102), we get a palindrome (20162826102).

The spelling of 20120424000 in words is "twenty billion, one hundred twenty million, four hundred twenty-four thousand".