20250227703421 has 4 divisors (see below), whose sum is σ = 20251410768252. Its totient is φ = 20249044638592.

The previous prime is 20250227703403. The next prime is 20250227703467. The reversal of 20250227703421 is 12430772205202.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2834545999321 + 17415681704100 = 1683611^2 + 4173210^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20250227703421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20250227703221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 591506740 + ... + 591540973.

It is an arithmetic number, because the mean of its divisors is an integer number (5062852692063).

Almost surely, 2^{20250227703421} is an apocalyptic number.

It is an amenable number.

20250227703421 is a deficient number, since it is larger than the sum of its proper divisors (1183064831).

20250227703421 is a wasteful number, since it uses less digits than its factorization.

20250227703421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1183064830.

The product of its (nonzero) digits is 94080, while the sum is 37.

Adding to 20250227703421 its reverse (12430772205202), we get a palindrome (32680999908623).

The spelling of 20250227703421 in words is "twenty trillion, two hundred fifty billion, two hundred twenty-seven million, seven hundred three thousand, four hundred twenty-one".