2030155221 has 16 divisors (see below), whose sum is σ = 2774294208. Its totient is φ = 1319760000.

The previous prime is 2030155217. The next prime is 2030155223. The reversal of 2030155221 is 1225510302.

It is not a de Polignac number, because 2030155221 - 2² = 2030155217 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2030155223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 397335 + ... + 402411.

It is an arithmetic number, because the mean of its divisors is an integer number (173393388).

Almost surely, 2^2030155221 is an apocalyptic number.

It is an amenable number.

2030155221 is a deficient number, since it is larger than the sum of its proper divisors (744138987).

2030155221 is a wasteful number, since it uses less digits than its factorization.

2030155221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8372.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 2030155221 is about 45057.2438238293. The cubic root of 2030155221 is about 1266.2216886274.

Adding to 2030155221 its reverse (1225510302), we get a palindrome (3255665523).

The spelling of 2030155221 in words is "two billion, thirty million, one hundred fifty-five thousand, two hundred twenty-one".