1552412020 has 24 divisors (see below), whose sum is σ = 3260837664. Its totient is φ = 620817696.

The previous prime is 1552412003. The next prime is 1552412023. The reversal of 1552412020 is 202142551.

It is a junction number, because it is equal to n+sod(n) for n = 1552411982 and 1552412000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1552412023) 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, 125347 + ... + 137173.

It is an arithmetic number, because the mean of its divisors is an integer number (135868236).

Almost surely, 2^1552412020 is an apocalyptic number.

1552412020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1552412020 is an abundant number, since it is smaller than the sum of its proper divisors (1708425644).

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

1552412020 is a wasteful number, since it uses less digits than its factorization.

1552412020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18399 (or 18397 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 1552412020 is about 39400.6601467539. The cubic root of 1552412020 is about 1157.8945209939.

Adding to 1552412020 its reverse (202142551), we get a palindrome (1754554571).

The spelling of 1552412020 in words is "one billion, five hundred fifty-two million, four hundred twelve thousand, twenty".