1020011832 has 192 divisors, whose sum is σ = 3490452000. Its totient is φ = 274240512.

The previous prime is 1020011831. The next prime is 1020011869. The reversal of 1020011832 is 2381100201.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020011831) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 177094 + ... + 182762.

Almost surely, 2^1020011832 is an apocalyptic number.

1020011832 is a gapful number since it is divisible by the number (12) 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 1020011832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1745226000).

1020011832 is an abundant number, since it is smaller than the sum of its proper divisors (2470440168).

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

1020011832 is a wasteful number, since it uses less digits than its factorization.

1020011832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5715 (or 5698 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 1020011832 is about 31937.6240819507. The cubic root of 1020011832 is about 1006.6266018195.

The spelling of 1020011832 in words is "one billion, twenty million, eleven thousand, eight hundred thirty-two".