20332232554 has 8 divisors (see below), whose sum is σ = 30585737700. Its totient is φ = 10136986656.

The previous prime is 20332232491. The next prime is 20332232561. The reversal of 20332232554 is 45523223302.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 20330482225 + 1750329 = 142585^2 + 1323^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14563939 + ... + 14565334.

Almost surely, 2^20332232554 is an apocalyptic number.

20332232554 is a deficient number, since it is larger than the sum of its proper divisors (10253505146).

20332232554 is a wasteful number, since it uses less digits than its factorization.

20332232554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29129624.

The product of its (nonzero) digits is 43200, while the sum is 31.

Adding to 20332232554 its reverse (45523223302), we get a palindrome (65855455856).

The spelling of 20332232554 in words is "twenty billion, three hundred thirty-two million, two hundred thirty-two thousand, five hundred fifty-four".