20046022006440 has 64 divisors (see below), whose sum is σ = 61417599356160. Its totient is φ = 5231869571840.

The previous prime is 20046022006433. The next prime is 20046022006459. The reversal of 20046022006440 is 4460022064002.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 20046022006398 and 20046022006407.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1777123971 + ... + 1777135250.

It is an arithmetic number, because the mean of its divisors is an integer number (959649989940).

Almost surely, 2^{20046022006440} is an apocalyptic number.

20046022006440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20046022006440 is an abundant number, since it is smaller than the sum of its proper divisors (41371577349720).

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

20046022006440 is a wasteful number, since it uses less digits than its factorization.

20046022006440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3554259282 (or 3554259278 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 30.

The spelling of 20046022006440 in words is "twenty trillion, forty-six billion, twenty-two million, six thousand, four hundred forty".