13820617350 has 36 divisors (see below), whose sum is σ = 37131393156. Its totient is φ = 3685497840.

The previous prime is 13820617303. The next prime is 13820617519. The reversal of 13820617350 is 5371602831.

13820617350 is a `hidden beast` number, since 1 + 3 + 8 + 2 + 0 + 617 + 35 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 15355792 + ... + 15356691.

Almost surely, 2^13820617350 is an apocalyptic number.

13820617350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13820617350 is an abundant number, since it is smaller than the sum of its proper divisors (23310775806).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13820617350 is a wasteful number, since it uses less digits than its factorization.

13820617350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30712501 (or 30712493 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The spelling of 13820617350 in words is "thirteen billion, eight hundred twenty million, six hundred seventeen thousand, three hundred fifty".