620024864221 has 16 divisors (see below), whose sum is σ = 717237287424. Its totient is φ = 524973590064.

The previous prime is 620024864171. The next prime is 620024864233. The reversal of 620024864221 is 122468420026.

It is not a de Polignac number, because 620024864221 - 2⁹ = 620024863709 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620024864321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4314106 + ... + 4455508.

It is an arithmetic number, because the mean of its divisors is an integer number (44827330464).

Almost surely, 2^620024864221 is an apocalyptic number.

It is an amenable number.

620024864221 is a deficient number, since it is larger than the sum of its proper divisors (97212423203).

620024864221 is a wasteful number, since it uses less digits than its factorization.

620024864221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149040.

The product of its (nonzero) digits is 73728, while the sum is 37.

The spelling of 620024864221 in words is "six hundred twenty billion, twenty-four million, eight hundred sixty-four thousand, two hundred twenty-one".