120020510 has 16 divisors (see below), whose sum is σ = 228745296. Its totient is φ = 45184128.

The previous prime is 120020507. The next prime is 120020519. The reversal of 120020510 is 15020021.

It is a junction number, because it is equal to n+sod(n) for n = 120020491 and 120020500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120020519) 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, 352832 + ... + 353171.

It is an arithmetic number, because the mean of its divisors is an integer number (14296581).

Almost surely, 2^120020510 is an apocalyptic number.

120020510 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120020510 is a deficient number, since it is larger than the sum of its proper divisors (108724786).

120020510 is a wasteful number, since it uses less digits than its factorization.

120020510 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 706027.

The product of its (nonzero) digits is 20, while the sum is 11.

The square root of 120020510 is about 10955.3872592437. The cubic root of 120020510 is about 493.2705143817.

Adding to 120020510 its reverse (15020021), we get a palindrome (135040531).

The spelling of 120020510 in words is "one hundred twenty million, twenty thousand, five hundred ten".