20045152351 has 4 divisors (see below), whose sum is σ = 22908745552. Its totient is φ = 17181559152.

The previous prime is 20045152291. The next prime is 20045152363. The reversal of 20045152351 is 15325154002.

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 20045152351 - 2¹⁵ = 20045119583 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20045152381) 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, 1431796590 + ... + 1431796603.

It is an arithmetic number, because the mean of its divisors is an integer number (5727186388).

Almost surely, 2^20045152351 is an apocalyptic number.

20045152351 is a deficient number, since it is larger than the sum of its proper divisors (2863593201).

20045152351 is an equidigital number, since it uses as much as digits as its factorization.

20045152351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2863593200.

The product of its (nonzero) digits is 6000, while the sum is 28.

The spelling of 20045152351 in words is "twenty billion, forty-five million, one hundred fifty-two thousand, three hundred fifty-one".