620302016631 has 16 divisors (see below), whose sum is σ = 941486065920. Its totient is φ = 359595371520.

The previous prime is 620302016629. The next prime is 620302016651. The reversal of 620302016631 is 136610203026.

It is not a de Polignac number, because 620302016631 - 2¹ = 620302016629 is a prime.

It is a super-2 number, since 2×620302016631² (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 (620302016651) 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, 408630346 + ... + 408631863.

It is an arithmetic number, because the mean of its divisors is an integer number (58842879120).

Almost surely, 2^620302016631 is an apocalyptic number.

620302016631 is a deficient number, since it is larger than the sum of its proper divisors (321184049289).

620302016631 is a wasteful number, since it uses less digits than its factorization.

620302016631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 817262246.

The product of its (nonzero) digits is 7776, while the sum is 30.

Adding to 620302016631 its reverse (136610203026), we get a palindrome (756912219657).

The spelling of 620302016631 in words is "six hundred twenty billion, three hundred two million, sixteen thousand, six hundred thirty-one".