20415244351043 has 8 divisors (see below), whose sum is σ = 20972123019600. Its totient is φ = 19858634909280.

The previous prime is 20415244351039. The next prime is 20415244351063. The reversal of 20415244351043 is 34015344251402.

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 20415244351043 - 2² = 20415244351039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20415244350988 and 20415244351006.

It is not an unprimeable number, because it can be changed into a prime (20415244351003) 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, 67152968 + ... + 67456293.

It is an arithmetic number, because the mean of its divisors is an integer number (2621515377450).

Almost surely, 2^{20415244351043} is an apocalyptic number.

20415244351043 is a deficient number, since it is larger than the sum of its proper divisors (556878668557).

20415244351043 is a wasteful number, since it uses less digits than its factorization.

20415244351043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134613397.

The product of its (nonzero) digits is 230400, while the sum is 38.

The spelling of 20415244351043 in words is "twenty trillion, four hundred fifteen billion, two hundred forty-four million, three hundred fifty-one thousand, forty-three".