20203868358 has 24 divisors (see below), whose sum is σ = 44428409688. Its totient is φ = 6634105632.

The previous prime is 20203868341. The next prime is 20203868411. The reversal of 20203868358 is 85386830202.

20203868358 is a `hidden beast` number, since 202 + 0 + 38 + 68 + 358 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8375191 + ... + 8377602.

It is an arithmetic number, because the mean of its divisors is an integer number (1851183737).

Almost surely, 2^20203868358 is an apocalyptic number.

20203868358 is an abundant number, since it is smaller than the sum of its proper divisors (24224541330).

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

20203868358 is a wasteful number, since it uses less digits than its factorization.

20203868358 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16752868 (or 16752865 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 45.

The spelling of 20203868358 in words is "twenty billion, two hundred three million, eight hundred sixty-eight thousand, three hundred fifty-eight".