194054851220 has 24 divisors (see below), whose sum is σ = 407568496608. Its totient is φ = 77611786400.

The previous prime is 194054851181. The next prime is 194054851223. The reversal of 194054851220 is 22158450491.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194054851223) 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, 476966 + ... + 784605.

It is an arithmetic number, because the mean of its divisors is an integer number (16982020692).

Almost surely, 2^194054851220 is an apocalyptic number.

194054851220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

194054851220 is an abundant number, since it is smaller than the sum of its proper divisors (213513645388).

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

194054851220 is a wasteful number, since it uses less digits than its factorization.

194054851220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1269271 (or 1269269 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 41.

The spelling of 194054851220 in words is "one hundred ninety-four billion, fifty-four million, eight hundred fifty-one thousand, two hundred twenty".