20246772373 has 4 divisors (see below), whose sum is σ = 21127066848. Its totient is φ = 19366477900.

The previous prime is 20246772367. The next prime is 20246772379. The reversal of 20246772373 is 37327764202.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (20246772367) and next prime (20246772379).

It is a cyclic number.

It is not a de Polignac number, because 20246772373 - 2²⁹ = 19709901461 is a prime.

It is a super-2 number, since 2×20246772373² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20246772379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 440147203 + ... + 440147248.

It is an arithmetic number, because the mean of its divisors is an integer number (5281766712).

Almost surely, 2^20246772373 is an apocalyptic number.

20246772373 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

20246772373 is a deficient number, since it is larger than the sum of its proper divisors (880294475).

20246772373 is an equidigital number, since it uses as much as digits as its factorization.

20246772373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 880294474.

The product of its (nonzero) digits is 592704, while the sum is 43.

The spelling of 20246772373 in words is "twenty billion, two hundred forty-six million, seven hundred seventy-two thousand, three hundred seventy-three".