20045152453 has 8 divisors (see below), whose sum is σ = 20321844480. Its totient is φ = 19769034480.

The previous prime is 20045152427. The next prime is 20045152507. The reversal of 20045152453 is 35425154002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20045152453 - 2³³ = 11455217861 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 (20045152423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72958 + ... + 213103.

It is an arithmetic number, because the mean of its divisors is an integer number (2540230560).

Almost surely, 2^20045152453 is an apocalyptic number.

It is an amenable number.

20045152453 is a deficient number, since it is larger than the sum of its proper divisors (276692027).

20045152453 is an equidigital number, since it uses as much as digits as its factorization.

20045152453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287027.

The product of its (nonzero) digits is 24000, while the sum is 31.

The spelling of 20045152453 in words is "twenty billion, forty-five million, one hundred fifty-two thousand, four hundred fifty-three".