21032020010032 has 10 divisors (see below), whose sum is σ = 40749538769468. Its totient is φ = 10516010005008.

The previous prime is 21032020009969. The next prime is 21032020010063. The reversal of 21032020010032 is 23001002023012.

It is a Harshad number since it is a multiple of its sum of digits (16), and also a Moran number because the ratio is a prime number: 1314501250627 = 21032020010032 / (2 + 1 + 0 + 3 + 2 + 0 + 2 + 0 + 0 + 1 + 0 + 0 + 3 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 21032020009988 and 21032020010015.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 657250625298 + ... + 657250625329.

Almost surely, 2^{21032020010032} is an apocalyptic number.

It is an amenable number.

21032020010032 is a deficient number, since it is larger than the sum of its proper divisors (19717518759436).

21032020010032 is a wasteful number, since it uses less digits than its factorization.

21032020010032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1314501250635 (or 1314501250629 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 21032020010032 its reverse (23001002023012), we get a palindrome (44033022033044).

The spelling of 21032020010032 in words is "twenty-one trillion, thirty-two billion, twenty million, ten thousand, thirty-two".