202154130 has 96 divisors (see below), whose sum is σ = 568923264. Its totient is φ = 51549696.

The previous prime is 202154081. The next prime is 202154177. The reversal of 202154130 is 31451202.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 54082 + ... + 57698.

It is an arithmetic number, because the mean of its divisors is an integer number (5926284).

Almost surely, 2^202154130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 202154130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (284461632).

202154130 is an abundant number, since it is smaller than the sum of its proper divisors (366769134).

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

202154130 is a wasteful number, since it uses less digits than its factorization.

202154130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3662 (or 3650 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 202154130 is about 14218.0916440991. The cubic root of 202154130 is about 586.8956259529.

The spelling of 202154130 in words is "two hundred two million, one hundred fifty-four thousand, one hundred thirty".