620136436704 has 288 divisors, whose sum is σ = 1749521991168. Its totient is φ = 192173414400.

The previous prime is 620136436649. The next prime is 620136436709. The reversal of 620136436704 is 407634631026.

It is a super-3 number, since 3×620136436704³ (a number of 36 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620136436709) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 253426009 + ... + 253428455.

It is an arithmetic number, because the mean of its divisors is an integer number (6074729136).

Almost surely, 2^620136436704 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 620136436704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (874760995584).

620136436704 is an abundant number, since it is smaller than the sum of its proper divisors (1129385554464).

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

620136436704 is a wasteful number, since it uses less digits than its factorization.

620136436704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2630 (or 2591 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 42.

The spelling of 620136436704 in words is "six hundred twenty billion, one hundred thirty-six million, four hundred thirty-six thousand, seven hundred four".