2028620474247 has 32 divisors (see below), whose sum is σ = 2817990328320. Its totient is φ = 1296670606560.

The previous prime is 2028620474143. The next prime is 2028620474317. The reversal of 2028620474247 is 7424740268202.

It is a happy number.

It is not a de Polignac number, because 2028620474247 - 2³⁴ = 2011440605063 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2028620474196 and 2028620474205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2028620476247) by changing a digit.

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, 8372668 + ... + 8611550.

It is an arithmetic number, because the mean of its divisors is an integer number (88062197760).

Almost surely, 2^{2028620474247} is an apocalyptic number.

2028620474247 is a deficient number, since it is larger than the sum of its proper divisors (789369854073).

2028620474247 is a wasteful number, since it uses less digits than its factorization.

2028620474247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239763.

The product of its (nonzero) digits is 2408448, while the sum is 48.

The spelling of 2028620474247 in words is "two trillion, twenty-eight billion, six hundred twenty million, four hundred seventy-four thousand, two hundred forty-seven".