620204636153 has 4 divisors (see below), whose sum is σ = 620212020480. Its totient is φ = 620197251828.

The previous prime is 620204636143. The next prime is 620204636159. The reversal of 620204636153 is 351636402026.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 620204636153 - 2²² = 620200441849 is a prime.

It is a super-2 number, since 2×620204636153² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (620204636159) 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, 3564713 + ... + 3734646.

It is an arithmetic number, because the mean of its divisors is an integer number (155053005120).

Almost surely, 2^620204636153 is an apocalyptic number.

It is an amenable number.

620204636153 is a deficient number, since it is larger than the sum of its proper divisors (7384327).

620204636153 is an equidigital number, since it uses as much as digits as its factorization.

620204636153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7384326.

The product of its (nonzero) digits is 155520, while the sum is 38.

The spelling of 620204636153 in words is "six hundred twenty billion, two hundred four million, six hundred thirty-six thousand, one hundred fifty-three".