20205355246 has 16 divisors (see below), whose sum is σ = 30353717376. Its totient is φ = 10087463736.

The previous prime is 20205355213. The next prime is 20205355273. The reversal of 20205355246 is 64255350202.

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, 5169625 + ... + 5173531.

It is an arithmetic number, because the mean of its divisors is an integer number (1897107336).

Almost surely, 2^20205355246 is an apocalyptic number.

20205355246 is a deficient number, since it is larger than the sum of its proper divisors (10148362130).

20205355246 is a wasteful number, since it uses less digits than its factorization.

20205355246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7143.

The product of its (nonzero) digits is 72000, while the sum is 34.

The spelling of 20205355246 in words is "twenty billion, two hundred five million, three hundred fifty-five thousand, two hundred forty-six".