20355450010 has 16 divisors (see below), whose sum is σ = 41874068736. Its totient is φ = 6979011408.

The previous prime is 20355449981. The next prime is 20355450019. The reversal of 20355450010 is 1005455302.

It is not an unprimeable number, because it can be changed into a prime (20355450019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145396002 + ... + 145396141.

It is an arithmetic number, because the mean of its divisors is an integer number (2617129296).

Almost surely, 2^20355450010 is an apocalyptic number.

20355450010 is an abundant number, since it is smaller than the sum of its proper divisors (21518618726).

20355450010 is a wasteful number, since it uses less digits than its factorization.

20355450010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290792157.

The product of its (nonzero) digits is 3000, while the sum is 25.

The spelling of 20355450010 in words is "twenty billion, three hundred fifty-five million, four hundred fifty thousand, ten".