2051422320 has 40 divisors (see below), whose sum is σ = 6359409936. Its totient is φ = 547045888.

The previous prime is 2051422313. The next prime is 2051422327. The reversal of 2051422320 is 232241502.

It is an interprime number because it is at equal distance from previous prime (2051422313) and next prime (2051422327).

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2051422327) 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, 4273557 + ... + 4274036.

Almost surely, 2^2051422320 is an apocalyptic number.

2051422320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2051422320 is an abundant number, since it is smaller than the sum of its proper divisors (4307987616).

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

2051422320 is a wasteful number, since it uses less digits than its factorization.

2051422320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8547609 (or 8547603 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 2051422320 is about 45292.6298640298. The cubic root of 2051422320 is about 1270.6278169808.

Adding to 2051422320 its reverse (232241502), we get a palindrome (2283663822).

The spelling of 2051422320 in words is "two billion, fifty-one million, four hundred twenty-two thousand, three hundred twenty".