20424620502215 has 8 divisors (see below), whose sum is σ = 24971988840768. Its totient is φ = 16031400243040.

The previous prime is 20424620502199. The next prime is 20424620502287. The reversal of 20424620502215 is 51220502642402.

It is a happy number.

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

It is not a de Polignac number, because 20424620502215 - 2⁴ = 20424620502199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38537019551 + ... + 38537020080.

It is an arithmetic number, because the mean of its divisors is an integer number (3121498605096).

Almost surely, 2^{20424620502215} is an apocalyptic number.

20424620502215 is a deficient number, since it is larger than the sum of its proper divisors (4547368338553).

20424620502215 is an equidigital number, since it uses as much as digits as its factorization.

20424620502215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77074039689.

The product of its (nonzero) digits is 76800, while the sum is 35.

The spelling of 20424620502215 in words is "twenty trillion, four hundred twenty-four billion, six hundred twenty million, five hundred two thousand, two hundred fifteen".