20355415039 has 8 divisors (see below), whose sum is σ = 20802827520. Its totient is φ = 19908599256.

The previous prime is 20355415037. The next prime is 20355415049. The reversal of 20355415039 is 93051455302.

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 20355415039 - 2¹ = 20355415037 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20355414989 and 20355415007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20355415037) 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, 79849 + ... + 216994.

It is an arithmetic number, because the mean of its divisors is an integer number (2600353440).

Almost surely, 2^20355415039 is an apocalyptic number.

20355415039 is a deficient number, since it is larger than the sum of its proper divisors (447412481).

20355415039 is a wasteful number, since it uses less digits than its factorization.

20355415039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298349.

The product of its (nonzero) digits is 81000, while the sum is 37.

The spelling of 20355415039 in words is "twenty billion, three hundred fifty-five million, four hundred fifteen thousand, thirty-nine".