1032020040 has 64 divisors (see below), whose sum is σ = 3098684160. Its totient is φ = 274972160.

The previous prime is 1032020027. The next prime is 1032020057. The reversal of 1032020040 is 400202301.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 1032019998 and 1032020025.

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, 174817 + ... + 180623.

It is an arithmetic number, because the mean of its divisors is an integer number (48416940).

Almost surely, 2^1032020040 is an apocalyptic number.

1032020040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1032020040 is an abundant number, since it is smaller than the sum of its proper divisors (2066664120).

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

1032020040 is a wasteful number, since it uses less digits than its factorization.

1032020040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7302 (or 7298 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 1032020040 is about 32125.0687158798. The cubic root of 1032020040 is about 1010.5614105879.

Adding to 1032020040 its reverse (400202301), we get a palindrome (1432222341).

The spelling of 1032020040 in words is "one billion, thirty-two million, twenty thousand, forty".