213235773068020 has 48 divisors (see below), whose sum is σ = 452173518010368. Its totient is φ = 84461718136320.

The previous prime is 213235773067991. The next prime is 213235773068041. The reversal of 213235773068020 is 20860377532312.

It is a happy number.

It is a super-3 number, since 3×213235773068020³ (a number of 44 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40943616 + ... + 45856855.

It is an arithmetic number, because the mean of its divisors is an integer number (9420281625216).

Almost surely, 2^{213235773068020} is an apocalyptic number.

213235773068020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213235773068020 is an abundant number, since it is smaller than the sum of its proper divisors (238937744942348).

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

213235773068020 is a wasteful number, since it uses less digits than its factorization.

213235773068020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86801680 (or 86801678 counting only the distinct ones).

The product of its (nonzero) digits is 2540160, while the sum is 49.

The spelling of 213235773068020 in words is "two hundred thirteen trillion, two hundred thirty-five billion, seven hundred seventy-three million, sixty-eight thousand, twenty".