20073028355 has 8 divisors (see below), whose sum is σ = 24326126064. Its totient is φ = 15899428000.

The previous prime is 20073028309. The next prime is 20073028357. The reversal of 20073028355 is 55382037002.

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

It is not a de Polignac number, because 20073028355 - 2⁶ = 20073028291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20073028357) 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, 19873781 + ... + 19874790.

It is an arithmetic number, because the mean of its divisors is an integer number (3040765758).

Almost surely, 2^20073028355 is an apocalyptic number.

20073028355 is a deficient number, since it is larger than the sum of its proper divisors (4253097709).

20073028355 is a wasteful number, since it uses less digits than its factorization.

20073028355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39748677.

The product of its (nonzero) digits is 50400, while the sum is 35.

The spelling of 20073028355 in words is "twenty billion, seventy-three million, twenty-eight thousand, three hundred fifty-five".