20477032495 has 8 divisors (see below), whose sum is σ = 24576521616. Its totient is φ = 16378904256.

The previous prime is 20477032493. The next prime is 20477032529. The reversal of 20477032495 is 59423077402.

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 20477032495 - 2¹ = 20477032493 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 (20477032493) 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, 306817 + ... + 367546.

It is an arithmetic number, because the mean of its divisors is an integer number (3072065202).

Almost surely, 2^20477032495 is an apocalyptic number.

20477032495 is a deficient number, since it is larger than the sum of its proper divisors (4099489121).

20477032495 is an equidigital number, since it uses as much as digits as its factorization.

20477032495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 680441.

The product of its (nonzero) digits is 423360, while the sum is 43.

The spelling of 20477032495 in words is "twenty billion, four hundred seventy-seven million, thirty-two thousand, four hundred ninety-five".