1836020032 has 112 divisors (see below), whose sum is σ = 4639592448. Its totient is φ = 700024320.

The previous prime is 1836019993. The next prime is 1836020033. The reversal of 1836020032 is 2300206381.

It is a tau number, because it is divible by the number of its divisors (112).

It is a junction number, because it is equal to n+sod(n) for n = 1836019979 and 1836020006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1836020033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 227653 + ... + 235579.

Almost surely, 2^1836020032 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1836020032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2319796224).

1836020032 is an abundant number, since it is smaller than the sum of its proper divisors (2803572416).

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

1836020032 is a wasteful number, since it uses less digits than its factorization.

1836020032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8004 (or 7994 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 1836020032 is about 42848.8043240415. The cubic root of 1836020032 is about 1224.5009839204.

The spelling of 1836020032 in words is "one billion, eight hundred thirty-six million, twenty thousand, thirty-two".