120020994 has 16 divisors (see below), whose sum is σ = 266713440. Its totient is φ = 40006980.

The previous prime is 120020993. The next prime is 120021017. The reversal of 120020994 is 499020021.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (120020993) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1111252 + ... + 1111359.

It is an arithmetic number, because the mean of its divisors is an integer number (16669590).

Almost surely, 2^120020994 is an apocalyptic number.

120020994 is an abundant number, since it is smaller than the sum of its proper divisors (146692446).

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

120020994 is a wasteful number, since it uses less digits than its factorization.

120020994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2222622 (or 2222616 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 120020994 is about 10955.4093488103. The cubic root of 120020994 is about 493.2711774423.

The spelling of 120020994 in words is "one hundred twenty million, twenty thousand, nine hundred ninety-four".