20102323032 has 96 divisors (see below), whose sum is σ = 59919097680. Its totient is φ = 6037678080.

The previous prime is 20102323009. The next prime is 20102323049. The reversal of 20102323032 is 23032320102.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 20102322996 and 20102323014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22813 + ... + 201804.

Almost surely, 2^20102323032 is an apocalyptic number.

20102323032 is a gapful number since it is divisible by the number (22) 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 20102323032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29959548840).

20102323032 is an abundant number, since it is smaller than the sum of its proper divisors (39816774648).

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

20102323032 is a wasteful number, since it uses less digits than its factorization.

20102323032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224753 (or 224746 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 20102323032 its reverse (23032320102), we get a palindrome (43134643134).

The spelling of 20102323032 in words is "twenty billion, one hundred two million, three hundred twenty-three thousand, thirty-two".