20203351870064 has 40 divisors (see below), whose sum is σ = 42702793132032. Its totient is φ = 9183287145920.

The previous prime is 20203351870063. The next prime is 20203351870109. The reversal of 20203351870064 is 46007815330202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20203351870063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52591547 + ... + 52974309.

Almost surely, 2^{20203351870064} is an apocalyptic number.

It is an amenable number.

20203351870064 is an abundant number, since it is smaller than the sum of its proper divisors (22499441261968).

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

20203351870064 is a wasteful number, since it uses less digits than its factorization.

20203351870064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 682685 (or 682679 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 41.

The spelling of 20203351870064 in words is "twenty trillion, two hundred three billion, three hundred fifty-one million, eight hundred seventy thousand, sixty-four".