2029021550 has 24 divisors (see below), whose sum is σ = 3779128656. Its totient is φ = 810501440.

The previous prime is 2029021541. The next prime is 2029021573. The reversal of 2029021550 is 551209202.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9842 + ... + 64458.

It is an arithmetic number, because the mean of its divisors is an integer number (157463694).

Almost surely, 2^2029021550 is an apocalyptic number.

2029021550 is a deficient number, since it is larger than the sum of its proper divisors (1750107106).

2029021550 is a wasteful number, since it uses less digits than its factorization.

2029021550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55372 (or 55367 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 2029021550 is about 45044.6617258916. The cubic root of 2029021550 is about 1265.9859519583.

The spelling of 2029021550 in words is "two billion, twenty-nine million, twenty-one thousand, five hundred fifty".