20450221602632 has 32 divisors (see below), whose sum is σ = 38359988775000. Its totient is φ = 10220891854848.

The previous prime is 20450221602581. The next prime is 20450221602677. The reversal of 20450221602632 is 23620612205402.

It can be written as a sum of positive squares in 4 ways, for example, as 11570977804996 + 8879243797636 = 3401614^2 + 2979806^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20450221602592 and 20450221602601.

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, 365095844 + ... + 365151852.

Almost surely, 2^{20450221602632} is an apocalyptic number.

It is an amenable number.

20450221602632 is a deficient number, since it is larger than the sum of its proper divisors (17909767172368).

20450221602632 is a wasteful number, since it uses less digits than its factorization.

20450221602632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74033 (or 74029 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 35.

The spelling of 20450221602632 in words is "twenty trillion, four hundred fifty billion, two hundred twenty-one million, six hundred two thousand, six hundred thirty-two".