1020155232 has 24 divisors (see below), whose sum is σ = 2677907736. Its totient is φ = 340051712.

The previous prime is 1020155209. The next prime is 1020155237. The reversal of 1020155232 is 2325510201.

1020155232 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (24).

It is a junction number, because it is equal to n+sod(n) for n = 1020155199 and 1020155208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020155237) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5313213 + ... + 5313404.

It is an arithmetic number, because the mean of its divisors is an integer number (111579489).

Almost surely, 2^1020155232 is an apocalyptic number.

1020155232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1020155232 is an abundant number, since it is smaller than the sum of its proper divisors (1657752504).

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

1020155232 is a wasteful number, since it uses less digits than its factorization.

1020155232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10626630 (or 10626622 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 1020155232 is about 31939.8690041146. The cubic root of 1020155232 is about 1006.6737723477.

Adding to 1020155232 its reverse (2325510201), we get a palindrome (3345665433).

The spelling of 1020155232 in words is "one billion, twenty million, one hundred fifty-five thousand, two hundred thirty-two".