2120201178 has 8 divisors (see below), whose sum is σ = 4240402368. Its totient is φ = 706733724.

The previous prime is 2120201173. The next prime is 2120201179. The reversal of 2120201178 is 8711020212.

It is a sphenic number, since it is the product of 3 distinct primes.

2120201178 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (2120201173) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 176683426 + ... + 176683437.

It is an arithmetic number, because the mean of its divisors is an integer number (530050296).

Almost surely, 2^2120201178 is an apocalyptic number.

2120201178 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2120201178 is a wasteful number, since it uses less digits than its factorization.

2120201178 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353366868.

The product of its (nonzero) digits is 448, while the sum is 24.

The square root of 2120201178 is about 46045.6423345358. The cubic root of 2120201178 is about 1284.6722915888.

The spelling of 2120201178 in words is "two billion, one hundred twenty million, two hundred one thousand, one hundred seventy-eight".