202064321777340 has 144 divisors (see below), whose sum is σ = 622876101765120. Its totient is φ = 48907657814400.

The previous prime is 202064321777333. The next prime is 202064321777401. The reversal of 202064321777340 is 43777123460202.

It is a self number, because there is not a number n which added to its sum of digits gives 202064321777340.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17473260 + ... + 26635379.

It is an arithmetic number, because the mean of its divisors is an integer number (4325528484480).

Almost surely, 2^{202064321777340} is an apocalyptic number.

202064321777340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202064321777340 is an abundant number, since it is smaller than the sum of its proper divisors (420811779987780).

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

202064321777340 is a wasteful number, since it uses less digits than its factorization.

202064321777340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44109304 (or 44109291 counting only the distinct ones).

The product of its (nonzero) digits is 2370816, while the sum is 48.

The spelling of 202064321777340 in words is "two hundred two trillion, sixty-four billion, three hundred twenty-one million, seven hundred seventy-seven thousand, three hundred forty".