20295401291 has 8 divisors (see below), whose sum is σ = 22174351344. Its totient is φ = 18422103520.

The previous prime is 20295401263. The next prime is 20295401389. The reversal of 20295401291 is 19210459202.

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 20295401291 - 2¹⁰ = 20295400267 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20295401591) 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, 1405556 + ... + 1419921.

It is an arithmetic number, because the mean of its divisors is an integer number (2771793918).

Almost surely, 2^20295401291 is an apocalyptic number.

20295401291 is a deficient number, since it is larger than the sum of its proper divisors (1878950053).

20295401291 is a wasteful number, since it uses less digits than its factorization.

20295401291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2826141.

The product of its (nonzero) digits is 12960, while the sum is 35.

The spelling of 20295401291 in words is "twenty billion, two hundred ninety-five million, four hundred one thousand, two hundred ninety-one".