1552225020 has 24 divisors (see below), whose sum is σ = 4346230224. Its totient is φ = 413926656.

The previous prime is 1552225013. The next prime is 1552225021. The reversal of 1552225020 is 205222551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1552225021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12935149 + ... + 12935268.

It is an arithmetic number, because the mean of its divisors is an integer number (181092926).

Almost surely, 2^1552225020 is an apocalyptic number.

1552225020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1552225020 is an abundant number, since it is smaller than the sum of its proper divisors (2794005204).

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

1552225020 is a wasteful number, since it uses less digits than its factorization.

1552225020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25870429 (or 25870427 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 24.

The square root of 1552225020 is about 39398.2870186002. The cubic root of 1552225020 is about 1157.8480266854.

Adding to 1552225020 its reverse (205222551), we get a palindrome (1757447571).

The spelling of 1552225020 in words is "one billion, five hundred fifty-two million, two hundred twenty-five thousand, twenty".