2047344420 has 192 divisors, whose sum is σ = 6443006976. Its totient is φ = 481528320.

The previous prime is 2047344419. The next prime is 2047344451. The reversal of 2047344420 is 244437402.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3742587 + ... + 3743133.

It is an arithmetic number, because the mean of its divisors is an integer number (33557328).

Almost surely, 2^2047344420 is an apocalyptic number.

2047344420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2047344420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3221503488).

2047344420 is an abundant number, since it is smaller than the sum of its proper divisors (4395662556).

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

2047344420 is a wasteful number, since it uses less digits than its factorization.

2047344420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 730 (or 728 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 30.

The square root of 2047344420 is about 45247.5902120765. The cubic root of 2047344420 is about 1269.7853234179.

The spelling of 2047344420 in words is "two billion, forty-seven million, three hundred forty-four thousand, four hundred twenty".