10367781220 has 12 divisors (see below), whose sum is σ = 21772340604. Its totient is φ = 4147112480.

The previous prime is 10367781209. The next prime is 10367781239. The reversal of 10367781220 is 2218776301.

It can be written as a sum of positive squares in 2 ways, for example, as 3641156964 + 6726624256 = 60342^2 + 82016^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 10367781220.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 259194511 + ... + 259194550.

It is an arithmetic number, because the mean of its divisors is an integer number (1814361717).

Almost surely, 2^10367781220 is an apocalyptic number.

10367781220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10367781220 is an abundant number, since it is smaller than the sum of its proper divisors (11404559384).

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

10367781220 is a wasteful number, since it uses less digits than its factorization.

10367781220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518389070 (or 518389068 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 37.

The spelling of 10367781220 in words is "ten billion, three hundred sixty-seven million, seven hundred eighty-one thousand, two hundred twenty".