20414667747 has 8 divisors (see below), whose sum is σ = 27243799744. Its totient is φ = 13597657128.

The previous prime is 20414667733. The next prime is 20414667761. The reversal of 20414667747 is 74776641402.

It is an interprime number because it is at equal distance from previous prime (20414667733) and next prime (20414667761).

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

It is not a de Polignac number, because 20414667747 - 2⁴ = 20414667731 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20414667696 and 20414667705.

It is not an unprimeable number, because it can be changed into a prime (20414667797) 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, 3026413 + ... + 3033150.

It is an arithmetic number, because the mean of its divisors is an integer number (3405474968).

Almost surely, 2^20414667747 is an apocalyptic number.

20414667747 is a deficient number, since it is larger than the sum of its proper divisors (6829131997).

20414667747 is a wasteful number, since it uses less digits than its factorization.

20414667747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6060689.

The product of its (nonzero) digits is 1580544, while the sum is 48.

The spelling of 20414667747 in words is "twenty billion, four hundred fourteen million, six hundred sixty-seven thousand, seven hundred forty-seven".