1552020 has 24 divisors (see below), whose sum is σ = 4345824. Its totient is φ = 413856.

The previous prime is 1552007. The next prime is 1552037. The reversal of 1552020 is 202551.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12874 + ... + 12993.

It is an arithmetic number, because the mean of its divisors is an integer number (181076).

2^1552020 is an apocalyptic number.

1552020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1552020 is an abundant number, since it is smaller than the sum of its proper divisors (2793804).

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

1552020 is a wasteful number, since it uses less digits than its factorization.

1552020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25879 (or 25877 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 15.

The square root of 1552020 is about 1245.8009471822. The cubic root of 1552020 is about 115.7797047725.

Adding to 1552020 its reverse (202551), we get a palindrome (1754571).

The spelling of 1552020 in words is "one million, five hundred fifty-two thousand, twenty".