1634405232020 has 96 divisors (see below), whose sum is σ = 3903326364672. Its totient is φ = 569462400000.

The previous prime is 1634405232013. The next prime is 1634405232037. The reversal of 1634405232020 is 202325044361.

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 31 ways as a sum of consecutive naturals, for example, 497561 + ... + 1875200.

It is an arithmetic number, because the mean of its divisors is an integer number (40659649632).

Almost surely, 2^{1634405232020} is an apocalyptic number.

1634405232020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1634405232020 is an abundant number, since it is smaller than the sum of its proper divisors (2268921132652).

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

1634405232020 is a wasteful number, since it uses less digits than its factorization.

1634405232020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2372913 (or 2372911 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 32.

The spelling of 1634405232020 in words is "one trillion, six hundred thirty-four billion, four hundred five million, two hundred thirty-two thousand, twenty".