620351214556 has 12 divisors (see below), whose sum is σ = 1142752237480. Its totient is φ = 293850575280.

The previous prime is 620351214547. The next prime is 620351214559. The reversal of 620351214556 is 655412153026.

620351214556 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 2×620351214556² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620351214559) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4081257915 + ... + 4081258066.

Almost surely, 2^620351214556 is an apocalyptic number.

It is an amenable number.

620351214556 is a deficient number, since it is larger than the sum of its proper divisors (522401022924).

620351214556 is a wasteful number, since it uses less digits than its factorization.

620351214556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8162516004 (or 8162516002 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 40.

The spelling of 620351214556 in words is "six hundred twenty billion, three hundred fifty-one million, two hundred fourteen thousand, five hundred fifty-six".