620012172329146 has 32 divisors (see below), whose sum is σ = 944687025000000. Its totient is φ = 305124238628352.

The previous prime is 620012172329119. The next prime is 620012172329239. The reversal of 620012172329146 is 641923271210026.

620012172329146 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×620012172329146² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 620012172329096 and 620012172329105.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7782311800 + ... + 7782391468.

It is an arithmetic number, because the mean of its divisors is an integer number (29521469531250).

Almost surely, 2^{620012172329146} is an apocalyptic number.

620012172329146 is a deficient number, since it is larger than the sum of its proper divisors (324674852670854).

620012172329146 is a wasteful number, since it uses less digits than its factorization.

620012172329146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127486.

The product of its (nonzero) digits is 435456, while the sum is 46.

The spelling of 620012172329146 in words is "six hundred twenty trillion, twelve billion, one hundred seventy-two million, three hundred twenty-nine thousand, one hundred forty-six".