2029820154 has 32 divisors (see below), whose sum is σ = 4122240000. Its totient is φ = 666220464.

The previous prime is 2029820131. The next prime is 2029820159. The reversal of 2029820154 is 4510289202.

It is not an unprimeable number, because it can be changed into a prime (2029820159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 173997 + ... + 185295.

It is an arithmetic number, because the mean of its divisors is an integer number (128820000).

Almost surely, 2^2029820154 is an apocalyptic number.

2029820154 is an abundant number, since it is smaller than the sum of its proper divisors (2092419846).

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

2029820154 is a wasteful number, since it uses less digits than its factorization.

2029820154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11762.

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 2029820154 is about 45053.5254336439. The cubic root of 2029820154 is about 1266.1520236019.

The spelling of 2029820154 in words is "two billion, twenty-nine million, eight hundred twenty thousand, one hundred fifty-four".