1020800032 has 24 divisors (see below), whose sum is σ = 2296800576. Its totient is φ = 437485632.

The previous prime is 1020800021. The next prime is 1020800059. The reversal of 1020800032 is 2300080201.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 1020799979 and 1020800015.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2278348 + ... + 2278795.

It is an arithmetic number, because the mean of its divisors is an integer number (95700024).

Almost surely, 2^1020800032 is an apocalyptic number.

It is an amenable number.

1020800032 is an abundant number, since it is smaller than the sum of its proper divisors (1276000544).

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

1020800032 is an equidigital number, since it uses as much as digits as its factorization.

1020800032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4557160 (or 4557152 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1020800032 is about 31949.9613771285. The cubic root of 1020800032 is about 1006.8858206447.

Adding to 1020800032 its reverse (2300080201), we get a palindrome (3320880233).

The spelling of 1020800032 in words is "one billion, twenty million, eight hundred thousand, thirty-two".