20034050478 has 32 divisors (see below), whose sum is σ = 43187945472. Its totient is φ = 6158940000.

The previous prime is 20034050461. The next prime is 20034050489. The reversal of 20034050478 is 87405043002.

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 15 ways as a sum of consecutive naturals, for example, 21798 + ... + 201353.

It is an arithmetic number, because the mean of its divisors is an integer number (1349623296).

Almost surely, 2^20034050478 is an apocalyptic number.

20034050478 is an abundant number, since it is smaller than the sum of its proper divisors (23153894994).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20034050478 is a wasteful number, since it uses less digits than its factorization.

20034050478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224320.

The product of its (nonzero) digits is 26880, while the sum is 33.

The spelling of 20034050478 in words is "twenty billion, thirty-four million, fifty thousand, four hundred seventy-eight".