1044140020220 has 48 divisors (see below), whose sum is σ = 2398806331488. Its totient is φ = 378611650560.

The previous prime is 1044140020219. The next prime is 1044140020241. The reversal of 1044140020220 is 220200414401.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 1044140020192 and 1044140020201.

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, 6644849 + ... + 6800168.

It is an arithmetic number, because the mean of its divisors is an integer number (49975131906).

Almost surely, 2^{1044140020220} is an apocalyptic number.

1044140020220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1044140020220 is an abundant number, since it is smaller than the sum of its proper divisors (1354666311268).

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

1044140020220 is a wasteful number, since it uses less digits than its factorization.

1044140020220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13445390 (or 13445388 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 1044140020220 its reverse (220200414401), we get a palindrome (1264340434621).

The spelling of 1044140020220 in words is "one trillion, forty-four billion, one hundred forty million, twenty thousand, two hundred twenty".