620242665660248 has 8 divisors (see below), whose sum is σ = 1162954998112980. Its totient is φ = 310121332830120.

The previous prime is 620242665660169. The next prime is 620242665660263. The reversal of 620242665660248 is 842066566242026.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38765166603758 + ... + 38765166603773.

Almost surely, 2^{620242665660248} is an apocalyptic number.

It is an amenable number.

620242665660248 is a deficient number, since it is larger than the sum of its proper divisors (542712332452732).

620242665660248 is a wasteful number, since it uses less digits than its factorization.

620242665660248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77530333207537 (or 77530333207533 counting only the distinct ones).

The product of its (nonzero) digits is 79626240, while the sum is 59.

The spelling of 620242665660248 in words is "six hundred twenty trillion, two hundred forty-two billion, six hundred sixty-five million, six hundred sixty thousand, two hundred forty-eight".