620412134033 has 4 divisors (see below), whose sum is σ = 620427859968. Its totient is φ = 620396408100.

The previous prime is 620412133973. The next prime is 620412134071. The reversal of 620412134033 is 330431214026.

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 620412134033 - 2²⁰ = 620411085457 is a prime.

It is a super-2 number, since 2×620412134033² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 620412133987 and 620412134005.

It is not an unprimeable number, because it can be changed into a prime (620412134233) 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, 7803641 + ... + 7882742.

It is an arithmetic number, because the mean of its divisors is an integer number (155106964992).

Almost surely, 2^620412134033 is an apocalyptic number.

It is an amenable number.

620412134033 is a deficient number, since it is larger than the sum of its proper divisors (15725935).

620412134033 is a wasteful number, since it uses less digits than its factorization.

620412134033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15725934.

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 620412134033 its reverse (330431214026), we get a palindrome (950843348059).

The spelling of 620412134033 in words is "six hundred twenty billion, four hundred twelve million, one hundred thirty-four thousand, thirty-three".