20505467345030 has 8 divisors (see below), whose sum is σ = 36909841221072. Its totient is φ = 8202186938008.

The previous prime is 20505467345023. The next prime is 20505467345047. The reversal of 20505467345030 is 3054376450502.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1025273367242 + ... + 1025273367261.

It is an arithmetic number, because the mean of its divisors is an integer number (4613730152634).

Almost surely, 2^{20505467345030} is an apocalyptic number.

20505467345030 is a deficient number, since it is larger than the sum of its proper divisors (16404373876042).

20505467345030 is a wasteful number, since it uses less digits than its factorization.

20505467345030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2050546734510.

The product of its (nonzero) digits is 1512000, while the sum is 44.

The spelling of 20505467345030 in words is "twenty trillion, five hundred five billion, four hundred sixty-seven million, three hundred forty-five thousand, thirty".