1552560020 has 72 divisors (see below), whose sum is σ = 3778457760. Its totient is φ = 531335680.

The previous prime is 1552560019. The next prime is 1552560047. The reversal of 1552560020 is 200652551.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 51371 + ... + 75789.

It is an arithmetic number, because the mean of its divisors is an integer number (52478580).

Almost surely, 2^1552560020 is an apocalyptic number.

1552560020 is a gapful number since it is divisible by the number (10) 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 1552560020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1889228880).

1552560020 is an abundant number, since it is smaller than the sum of its proper divisors (2225897740).

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

1552560020 is a wasteful number, since it uses less digits than its factorization.

1552560020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24473 (or 24454 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 1552560020 is about 39402.5382431132. The cubic root of 1552560020 is about 1157.9313159816.

The spelling of 1552560020 in words is "one billion, five hundred fifty-two million, five hundred sixty thousand, twenty".