20370280632 has 64 divisors (see below), whose sum is σ = 54879552000. Its totient is φ = 6263608704.

The previous prime is 20370280591. The next prime is 20370280639. The reversal of 20370280632 is 23608207302.

It is a junction number, because it is equal to n+sod(n) for n = 20370280593 and 20370280602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20370280639) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 465469 + ... + 507347.

It is an arithmetic number, because the mean of its divisors is an integer number (857493000).

Almost surely, 2^20370280632 is an apocalyptic number.

It is an amenable number.

20370280632 is an abundant number, since it is smaller than the sum of its proper divisors (34509271368).

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

20370280632 is a wasteful number, since it uses less digits than its factorization.

20370280632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43460 (or 43456 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 33.

Adding to 20370280632 its reverse (23608207302), we get a palindrome (43978487934).

The spelling of 20370280632 in words is "twenty billion, three hundred seventy million, two hundred eighty thousand, six hundred thirty-two".