20375626346 has 4 divisors (see below), whose sum is σ = 30563439522. Its totient is φ = 10187813172.

The previous prime is 20375626289. The next prime is 20375626357. The reversal of 20375626346 is 64362657302.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 13761870721 + 6613755625 = 117311^2 + 81325^2 .

It is a super-2 number, since 2×20375626346² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20375626297 and 20375626306.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5093906585 + ... + 5093906588.

Almost surely, 2^20375626346 is an apocalyptic number.

20375626346 is a deficient number, since it is larger than the sum of its proper divisors (10187813176).

20375626346 is a wasteful number, since it uses less digits than its factorization.

20375626346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10187813175.

The product of its (nonzero) digits is 1088640, while the sum is 44.

The spelling of 20375626346 in words is "twenty billion, three hundred seventy-five million, six hundred twenty-six thousand, three hundred forty-six".