20434326275 has 12 divisors (see below), whose sum is σ = 27642070824. Its totient is φ = 14861328000.

The previous prime is 20434326223. The next prime is 20434326337. The reversal of 20434326275 is 57262343402.

It is not a de Polignac number, because 20434326275 - 2²⁸ = 20165890819 is a prime.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37153046 + ... + 37153595.

It is an arithmetic number, because the mean of its divisors is an integer number (2303505902).

Almost surely, 2^20434326275 is an apocalyptic number.

20434326275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

20434326275 is a deficient number, since it is larger than the sum of its proper divisors (7207744549).

20434326275 is a wasteful number, since it uses less digits than its factorization.

20434326275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74306662 (or 74306657 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 38.

Adding to 20434326275 its reverse (57262343402), we get a palindrome (77696669677).

The spelling of 20434326275 in words is "twenty billion, four hundred thirty-four million, three hundred twenty-six thousand, two hundred seventy-five".