20323201032 has 48 divisors (see below), whose sum is σ = 55096111980. Its totient is φ = 6767740800.

The previous prime is 20323201027. The next prime is 20323201043. The reversal of 20323201032 is 23010232302.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 19258223076 + 1064977956 = 138774^2 + 32634^2 .

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 = 20323200996 and 20323201014.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 64719 + ... + 211742.

Almost surely, 2^20323201032 is an apocalyptic number.

It is an amenable number.

20323201032 is an abundant number, since it is smaller than the sum of its proper divisors (34772910948).

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

20323201032 is a wasteful number, since it uses less digits than its factorization.

20323201032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277494 (or 277487 counting only the distinct ones).

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

Adding to 20323201032 its reverse (23010232302), we get a palindrome (43333433334).

The spelling of 20323201032 in words is "twenty billion, three hundred twenty-three million, two hundred one thousand, thirty-two".