202027051688 has 128 divisors (see below), whose sum is σ = 493302528000. Its totient is φ = 75213515520.

The previous prime is 202027051673. The next prime is 202027051691. The reversal of 202027051688 is 886150720202.

It is a super-2 number, since 2×202027051688² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15138923 + ... + 15152261.

It is an arithmetic number, because the mean of its divisors is an integer number (3853926000).

Almost surely, 2^202027051688 is an apocalyptic number.

202027051688 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 202027051688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (246651264000).

202027051688 is an abundant number, since it is smaller than the sum of its proper divisors (291275476312).

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

202027051688 is a wasteful number, since it uses less digits than its factorization.

202027051688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14455 (or 14451 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 41.

The spelling of 202027051688 in words is "two hundred two billion, twenty-seven million, fifty-one thousand, six hundred eighty-eight".