20132442440434 has 16 divisors (see below), whose sum is σ = 30937327165080. Its totient is φ = 9820033555840.

The previous prime is 20132442440419. The next prime is 20132442440449. The reversal of 20132442440434 is 43404424423102.

It is an interprime number because it is at equal distance from previous prime (20132442440419) and next prime (20132442440449).

It can be written as a sum of positive squares in 4 ways, for example, as 7597989038025 + 12534453402409 = 2756445^2 + 3540403^2 .

It is a super-2 number, since 2×20132442440434² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20132442440393 and 20132442440402.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7165729 + ... + 9571444.

Almost surely, 2^{20132442440434} is an apocalyptic number.

20132442440434 is a deficient number, since it is larger than the sum of its proper divisors (10804884724646).

20132442440434 is a wasteful number, since it uses less digits than its factorization.

20132442440434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16751885.

The product of its (nonzero) digits is 294912, while the sum is 37.

Adding to 20132442440434 its reverse (43404424423102), we get a palindrome (63536866863536).

The spelling of 20132442440434 in words is "twenty trillion, one hundred thirty-two billion, four hundred forty-two million, four hundred forty thousand, four hundred thirty-four".