1032021020 has 48 divisors (see below), whose sum is σ = 2229752448. Its totient is φ = 400942080.

The previous prime is 1032021007. The next prime is 1032021041. The reversal of 1032021020 is 201202301.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1032020992 and 1032021010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 651149 + ... + 652731.

It is an arithmetic number, because the mean of its divisors is an integer number (46453176).

Almost surely, 2^1032021020 is an apocalyptic number.

1032021020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1032021020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1114876224).

1032021020 is an abundant number, since it is smaller than the sum of its proper divisors (1197731428).

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

1032021020 is a wasteful number, since it uses less digits than its factorization.

1032021020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2510 (or 2508 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 1032021020 is about 32125.0839687619. The cubic root of 1032021020 is about 1010.5617304621.

Adding to 1032021020 its reverse (201202301), we get a palindrome (1233223321).

The spelling of 1032021020 in words is "one billion, thirty-two million, twenty-one thousand, twenty".