2051220524 has 12 divisors (see below), whose sum is σ = 3705430848. Its totient is φ = 992526000.

The previous prime is 2051220517. The next prime is 2051220553. The reversal of 2051220524 is 4250221502.

It is a self number, because there is not a number n which added to its sum of digits gives 2051220524.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8270927 + ... + 8271174.

It is an arithmetic number, because the mean of its divisors is an integer number (308785904).

Almost surely, 2^2051220524 is an apocalyptic number.

It is an amenable number.

2051220524 is a deficient number, since it is larger than the sum of its proper divisors (1654210324).

2051220524 is a wasteful number, since it uses less digits than its factorization.

2051220524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16542136 (or 16542134 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 2051220524 is about 45290.4021178881. The cubic root of 2051220524 is about 1270.5861522268.

The spelling of 2051220524 in words is "two billion, fifty-one million, two hundred twenty thousand, five hundred twenty-four".