20633001420 has 24 divisors (see below), whose sum is σ = 57772404144. Its totient is φ = 5502133696.

The previous prime is 20633001409. The next prime is 20633001463. The reversal of 20633001420 is 2410033602.

It is a happy 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 7 ways as a sum of consecutive naturals, for example, 171941619 + ... + 171941738.

It is an arithmetic number, because the mean of its divisors is an integer number (2407183506).

Almost surely, 2^20633001420 is an apocalyptic number.

20633001420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20633001420 is an abundant number, since it is smaller than the sum of its proper divisors (37139402724).

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

20633001420 is a wasteful number, since it uses less digits than its factorization.

20633001420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343883369 (or 343883367 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The spelling of 20633001420 in words is "twenty billion, six hundred thirty-three million, one thousand, four hundred twenty".