2051921922080 has 24 divisors (see below), whose sum is σ = 4847665541292. Its totient is φ = 820768768768.

The previous prime is 2051921922079. The next prime is 2051921922119. The reversal of 2051921922080 is 802291291502.

It can be written as a sum of positive squares in 2 ways, for example, as 1960459226896 + 91462695184 = 1400164^2 + 302428^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6412255847 + ... + 6412256166.

Almost surely, 2^{2051921922080} is an apocalyptic number.

2051921922080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2051921922080 is an abundant number, since it is smaller than the sum of its proper divisors (2795743619212).

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

2051921922080 is a wasteful number, since it uses less digits than its factorization.

2051921922080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12824512028 (or 12824512020 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 41.

The spelling of 2051921922080 in words is "two trillion, fifty-one billion, nine hundred twenty-one million, nine hundred twenty-two thousand, eighty".