20102420005 has 8 divisors (see below), whose sum is σ = 24124069152. Its totient is φ = 16081159248.

The previous prime is 20102419999. The next prime is 20102420017. The reversal of 20102420005 is 50002420102.

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 20102420005 - 2⁷ = 20102419877 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, 32502 + ... + 203128.

It is an arithmetic number, because the mean of its divisors is an integer number (3015508644).

Almost surely, 2^20102420005 is an apocalyptic number.

It is an amenable number.

20102420005 is a deficient number, since it is larger than the sum of its proper divisors (4021649147).

20102420005 is a wasteful number, since it uses less digits than its factorization.

20102420005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194195.

The product of its (nonzero) digits is 160, while the sum is 16.

Adding to 20102420005 its reverse (50002420102), we get a palindrome (70104840107).

The spelling of 20102420005 in words is "twenty billion, one hundred two million, four hundred twenty thousand, five".