20620334434 has 8 divisors (see below), whose sum is σ = 35349144768. Its totient is φ = 8837286180.

The previous prime is 20620334431. The next prime is 20620334437. The reversal of 20620334434 is 43443302602.

It is an interprime number because it is at equal distance from previous prime (20620334431) and next prime (20620334437).

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

It is a super-2 number, since 2×20620334434² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20620334396 and 20620334405.

It is not an unprimeable number, because it can be changed into a prime (20620334431) 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, 736440502 + ... + 736440529.

It is an arithmetic number, because the mean of its divisors is an integer number (4418643096).

Almost surely, 2^20620334434 is an apocalyptic number.

20620334434 is a deficient number, since it is larger than the sum of its proper divisors (14728810334).

20620334434 is a wasteful number, since it uses less digits than its factorization.

20620334434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1472881040.

The product of its (nonzero) digits is 41472, while the sum is 31.

The spelling of 20620334434 in words is "twenty billion, six hundred twenty million, three hundred thirty-four thousand, four hundred thirty-four".