1944470020 has 24 divisors (see below), whose sum is σ = 4095169344. Its totient is φ = 775543776.

The previous prime is 1944469999. The next prime is 1944470029. The reversal of 1944470020 is 200744491.

It is not an unprimeable number, because it can be changed into a prime (1944470029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133152 + ... + 147031.

It is an arithmetic number, because the mean of its divisors is an integer number (170632056).

Almost surely, 2^1944470020 is an apocalyptic number.

1944470020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1944470020 is an abundant number, since it is smaller than the sum of its proper divisors (2150699324).

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

1944470020 is a wasteful number, since it uses less digits than its factorization.

1944470020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280539 (or 280537 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 1944470020 is about 44096.1451829976. The cubic root of 1944470020 is about 1248.1508701907.

The spelling of 1944470020 in words is "one billion, nine hundred forty-four million, four hundred seventy thousand, twenty".