10620155 has 32 divisors (see below), whose sum is σ = 16619904. Its totient is φ = 6322176.

The previous prime is 10620151. The next prime is 10620157. The reversal of 10620155 is 55102601.

10620155 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10620155 - 2² = 10620151 is a prime.

It is a super-2 number, since 2×10620155² = 225575384448050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10620151) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7049 + ... + 8421.

It is an arithmetic number, because the mean of its divisors is an integer number (519372).

Almost surely, 2^10620155 is an apocalyptic number.

10620155 is a deficient number, since it is larger than the sum of its proper divisors (5999749).

10620155 is a wasteful number, since it uses less digits than its factorization.

10620155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1415.

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 10620155 is about 3258.8579287843. The cubic root of 10620155 is about 219.8080626219.

Adding to 10620155 its reverse (55102601), we get a palindrome (65722756).

The spelling of 10620155 in words is "ten million, six hundred twenty thousand, one hundred fifty-five".