20376740435 has 4 divisors (see below), whose sum is σ = 24452088528. Its totient is φ = 16301392344.

The previous prime is 20376740431. The next prime is 20376740441. The reversal of 20376740435 is 53404767302.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20376740435 - 2² = 20376740431 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20376740392 and 20376740401.

It is not an unprimeable number, because it can be changed into a prime (20376740431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2037674039 + ... + 2037674048.

It is an arithmetic number, because the mean of its divisors is an integer number (6113022132).

Almost surely, 2^20376740435 is an apocalyptic number.

20376740435 is a deficient number, since it is larger than the sum of its proper divisors (4075348093).

20376740435 is an equidigital number, since it uses as much as digits as its factorization.

20376740435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4075348092.

The product of its (nonzero) digits is 423360, while the sum is 41.

The spelling of 20376740435 in words is "twenty billion, three hundred seventy-six million, seven hundred forty thousand, four hundred thirty-five".