10220120109978 has 32 divisors (see below), whose sum is σ = 20615658364800. Its totient is φ = 3377580052416.

The previous prime is 10220120109959. The next prime is 10220120110027. The reversal of 10220120109978 is 87990102102201.

10220120109978 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 13340413 + ... + 14085696.

It is an arithmetic number, because the mean of its divisors is an integer number (644239323900).

Almost surely, 2^{10220120109978} is an apocalyptic number.

10220120109978 is an abundant number, since it is smaller than the sum of its proper divisors (10395538254822).

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

10220120109978 is a wasteful number, since it uses less digits than its factorization.

10220120109978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27426646.

The product of its (nonzero) digits is 36288, while the sum is 42.

The spelling of 10220120109978 in words is "ten trillion, two hundred twenty billion, one hundred twenty million, one hundred nine thousand, nine hundred seventy-eight".