20052210254351 has 4 divisors (see below), whose sum is σ = 21875138459304. Its totient is φ = 18229282049400.

The previous prime is 20052210254341. The next prime is 20052210254369. The reversal of 20052210254351 is 15345201225002.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20052210254351 is a prime.

It is a super-2 number, since 2×20052210254351² (a number of 27 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 (20052210254341) 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, 911464102460 + ... + 911464102481.

It is an arithmetic number, because the mean of its divisors is an integer number (5468784614826).

Almost surely, 2^{20052210254351} is an apocalyptic number.

20052210254351 is a deficient number, since it is larger than the sum of its proper divisors (1822928204953).

20052210254351 is a wasteful number, since it uses less digits than its factorization.

20052210254351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1822928204952.

The product of its (nonzero) digits is 24000, while the sum is 32.

Adding to 20052210254351 its reverse (15345201225002), we get a palindrome (35397411479353).

The spelling of 20052210254351 in words is "twenty trillion, fifty-two billion, two hundred ten million, two hundred fifty-four thousand, three hundred fifty-one".