20887036750 has 32 divisors (see below), whose sum is σ = 39114717408. Its totient is φ = 8351784000.

The previous prime is 20887036747. The next prime is 20887036769. The reversal of 20887036750 is 5763078802.

It is a self number, because there is not a number n which added to its sum of digits gives 20887036750.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 753130 + ... + 780370.

It is an arithmetic number, because the mean of its divisors is an integer number (1222334919).

Almost surely, 2^20887036750 is an apocalyptic number.

20887036750 is a deficient number, since it is larger than the sum of its proper divisors (18227680658).

20887036750 is a wasteful number, since it uses less digits than its factorization.

20887036750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30325 (or 30315 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 46.

The spelling of 20887036750 in words is "twenty billion, eight hundred eighty-seven million, thirty-six thousand, seven hundred fifty".