20012432352 has 48 divisors (see below), whose sum is σ = 57308332032. Its totient is φ = 6064373120.

The previous prime is 20012432299. The next prime is 20012432353. The reversal of 20012432352 is 25323421002.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-3 number, since 3×20012432352³ (a number of 32 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20012432353) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9474528 + ... + 9476639.

It is an arithmetic number, because the mean of its divisors is an integer number (1193923584).

Almost surely, 2^20012432352 is an apocalyptic number.

20012432352 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20012432352 is an abundant number, since it is smaller than the sum of its proper divisors (37295899680).

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

20012432352 is a wasteful number, since it uses less digits than its factorization.

20012432352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18951191 (or 18951183 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

Adding to 20012432352 its reverse (25323421002), we get a palindrome (45335853354).

The spelling of 20012432352 in words is "twenty billion, twelve million, four hundred thirty-two thousand, three hundred fifty-two".