20273267375 has 8 divisors (see below), whose sum is σ = 25301037840. Its totient is φ = 16218613800.

The previous prime is 20273267347. The next prime is 20273267381. The reversal of 20273267375 is 57376237202.

It is a de Polignac number, because none of the positive numbers 2^k-20273267375 is a prime.

It is a super-2 number, since 2×20273267375² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

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, 81092945 + ... + 81093194.

It is an arithmetic number, because the mean of its divisors is an integer number (3162629730).

Almost surely, 2^20273267375 is an apocalyptic number.

20273267375 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

20273267375 is a deficient number, since it is larger than the sum of its proper divisors (5027770465).

20273267375 is an equidigital number, since it uses as much as digits as its factorization.

20273267375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162186154 (or 162186144 counting only the distinct ones).

The product of its (nonzero) digits is 740880, while the sum is 44.

The spelling of 20273267375 in words is "twenty billion, two hundred seventy-three million, two hundred sixty-seven thousand, three hundred seventy-five".