2020120345 has 8 divisors (see below), whose sum is σ = 2425321800. Its totient is φ = 1615311360.

The previous prime is 2020120331. The next prime is 2020120369. The reversal of 2020120345 is 5430210202.

It can be written as a sum of positive squares in 4 ways, for example, as 24890121 + 1995230224 = 4989^2 + 44668^2 .

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

It is not a de Polignac number, because 2020120345 - 2¹⁹ = 2019596057 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86670 + ... + 107479.

It is an arithmetic number, because the mean of its divisors is an integer number (303165225).

Almost surely, 2^2020120345 is an apocalyptic number.

It is an amenable number.

2020120345 is a deficient number, since it is larger than the sum of its proper divisors (405201455).

2020120345 is a wasteful number, since it uses less digits than its factorization.

2020120345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196235.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 2020120345 is about 44945.7489091015. The cubic root of 2020120345 is about 1264.1319681503.

Adding to 2020120345 its reverse (5430210202), we get a palindrome (7450330547).

The spelling of 2020120345 in words is "two billion, twenty million, one hundred twenty thousand, three hundred forty-five".