920020267850 has 24 divisors (see below), whose sum is σ = 1715135774880. Its totient is φ = 367169811120.

The previous prime is 920020267843. The next prime is 920020267883. The reversal of 920020267850 is 58762020029.

It is a junction number, because it is equal to n+sod(n) for n = 920020267798 and 920020267807.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20935232 + ... + 20979131.

It is an arithmetic number, because the mean of its divisors is an integer number (71463990620).

Almost surely, 2^920020267850 is an apocalyptic number.

920020267850 is a deficient number, since it is larger than the sum of its proper divisors (795115507030).

920020267850 is a wasteful number, since it uses less digits than its factorization.

920020267850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41914814 (or 41914809 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 41.

Adding to 920020267850 its reverse (58762020029), we get a palindrome (978782287879).

The spelling of 920020267850 in words is "nine hundred twenty billion, twenty million, two hundred sixty-seven thousand, eight hundred fifty".