20038424280 has 128 divisors (see below), whose sum is σ = 72744583680. Its totient is φ = 4310784000.

The previous prime is 20038424269. The next prime is 20038424311. The reversal of 20038424280 is 8242483002.

It is a super-3 number, since 3×20038424280³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 687346 + ... + 715905.

It is an arithmetic number, because the mean of its divisors is an integer number (568317060).

Almost surely, 2^20038424280 is an apocalyptic number.

20038424280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20038424280 is an abundant number, since it is smaller than the sum of its proper divisors (52706159400).

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

20038424280 is a wasteful number, since it uses less digits than its factorization.

20038424280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1403289 (or 1403285 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 33.

The spelling of 20038424280 in words is "twenty billion, thirty-eight million, four hundred twenty-four thousand, two hundred eighty".