20236294051 has 4 divisors (see below), whose sum is σ = 20236752504. Its totient is φ = 20235835600.

The previous prime is 20236294031. The next prime is 20236294061. The reversal of 20236294051 is 15049263202.

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

It is a cyclic number.

It is not a de Polignac number, because 20236294051 - 2⁵ = 20236294019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20236293998 and 20236294016.

It is not an unprimeable number, because it can be changed into a prime (20236294021) 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, 155005 + ... + 253966.

It is an arithmetic number, because the mean of its divisors is an integer number (5059188126).

Almost surely, 2^20236294051 is an apocalyptic number.

20236294051 is a deficient number, since it is larger than the sum of its proper divisors (458453).

20236294051 is an equidigital number, since it uses as much as digits as its factorization.

20236294051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 458452.

The product of its (nonzero) digits is 25920, while the sum is 34.

The spelling of 20236294051 in words is "twenty billion, two hundred thirty-six million, two hundred ninety-four thousand, fifty-one".