20067281572044 has 24 divisors (see below), whose sum is σ = 53512750859008. Its totient is φ = 5733509020560.

The previous prime is 20067281572021. The next prime is 20067281572097. The reversal of 20067281572044 is 44027518276002.

It is a junction number, because it is equal to n+sod(n) for n = 20067281571984 and 20067281572002.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119448104512 + ... + 119448104679.

Almost surely, 2^{20067281572044} is an apocalyptic number.

It is an amenable number.

20067281572044 is an abundant number, since it is smaller than the sum of its proper divisors (33445469286964).

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

20067281572044 is a wasteful number, since it uses less digits than its factorization.

20067281572044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238896209205 (or 238896209203 counting only the distinct ones).

The product of its (nonzero) digits is 1505280, while the sum is 48.

The spelling of 20067281572044 in words is "twenty trillion, sixty-seven billion, two hundred eighty-one million, five hundred seventy-two thousand, forty-four".