120020352493890 has 64 divisors (see below), whose sum is σ = 294750143373312. Its totient is φ = 31260851294400.

The previous prime is 120020352493889. The next prime is 120020352493913. The reversal of 120020352493890 is 98394253020021.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 187337805 + ... + 187977375.

It is an arithmetic number, because the mean of its divisors is an integer number (4605470990208).

Almost surely, 2^{120020352493890} is an apocalyptic number.

120020352493890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120020352493890 is an abundant number, since it is smaller than the sum of its proper divisors (174729790879422).

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

120020352493890 is a wasteful number, since it uses less digits than its factorization.

120020352493890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 785095.

The product of its (nonzero) digits is 933120, while the sum is 48.

The spelling of 120020352493890 in words is "one hundred twenty trillion, twenty billion, three hundred fifty-two million, four hundred ninety-three thousand, eight hundred ninety".