2351432020 has 96 divisors (see below), whose sum is σ = 6041548800. Its totient is φ = 750777984.

The previous prime is 2351431987. The next prime is 2351432023. The reversal of 2351432020 is 202341532.

It is a junction number, because it is equal to n+sod(n) for n = 2351431982 and 2351432000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2351432023) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 149449 + ... + 164431.

It is an arithmetic number, because the mean of its divisors is an integer number (62932800).

Almost surely, 2^2351432020 is an apocalyptic number.

2351432020 is a gapful number since it is divisible by the number (20) 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 2351432020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3020774400).

2351432020 is an abundant number, since it is smaller than the sum of its proper divisors (3690116780).

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

2351432020 is a wasteful number, since it uses less digits than its factorization.

2351432020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15077 (or 15075 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 2351432020 is about 48491.5664832556. The cubic root of 2351432020 is about 1329.7728935531.

Adding to 2351432020 its reverse (202341532), we get a palindrome (2553773552).

The spelling of 2351432020 in words is "two billion, three hundred fifty-one million, four hundred thirty-two thousand, twenty".