20003221032032 has 48 divisors (see below), whose sum is σ = 45235710606240. Its totient is φ = 8529292197888.

The previous prime is 20003221032029. The next prime is 20003221032061. The reversal of 20003221032032 is 23023012230002.

It is a junction number, because it is equal to n+sod(n) for n = 20003221031995 and 20003221032013.

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, 226605857 + ... + 226694112.

It is an arithmetic number, because the mean of its divisors is an integer number (942410637630).

Almost surely, 2^{20003221032032} is an apocalyptic number.

It is an amenable number.

20003221032032 is an abundant number, since it is smaller than the sum of its proper divisors (25232489574208).

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

20003221032032 is a wasteful number, since it uses less digits than its factorization.

20003221032032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453300183 (or 453300175 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 20003221032032 its reverse (23023012230002), we get a palindrome (43026233262034).

The spelling of 20003221032032 in words is "twenty trillion, three billion, two hundred twenty-one million, thirty-two thousand, thirty-two".