620136626002 has 8 divisors (see below), whose sum is σ = 942947472636. Its totient is φ = 305820801792.

The previous prime is 620136625961. The next prime is 620136626009. The reversal of 620136626002 is 200626631026.

It can be written as a sum of positive squares in 2 ways, for example, as 521571395601 + 98565230401 = 722199^2 + 313951^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (620136626009) 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, 2123755423 + ... + 2123755714.

Almost surely, 2^620136626002 is an apocalyptic number.

620136626002 is a deficient number, since it is larger than the sum of its proper divisors (322810846634).

620136626002 is a wasteful number, since it uses less digits than its factorization.

620136626002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4247511212.

The product of its (nonzero) digits is 31104, while the sum is 34.

The spelling of 620136626002 in words is "six hundred twenty billion, one hundred thirty-six million, six hundred twenty-six thousand, two".