620346202542 has 48 divisors (see below), whose sum is σ = 1466325841968. Its totient is φ = 187976903040.

The previous prime is 620346202523. The next prime is 620346202561. The reversal of 620346202542 is 245202643026.

620346202542 is a `hidden beast` number, since 6 + 2 + 0 + 3 + 4 + 620 + 25 + 4 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (620346202523) and next prime (620346202561).

It is a super-2 number, since 2×620346202542² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 620346202497 and 620346202506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9485868 + ... + 9551040.

It is an arithmetic number, because the mean of its divisors is an integer number (30548455041).

Almost surely, 2^620346202542 is an apocalyptic number.

620346202542 is an abundant number, since it is smaller than the sum of its proper divisors (845979639426).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

620346202542 is a wasteful number, since it uses less digits than its factorization.

620346202542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113265 (or 113262 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 36.

Adding to 620346202542 its reverse (245202643026), we get a palindrome (865548845568).

The spelling of 620346202542 in words is "six hundred twenty billion, three hundred forty-six million, two hundred two thousand, five hundred forty-two".