20143098 has 24 divisors (see below), whose sum is σ = 43938336. Its totient is φ = 6669000.

The previous prime is 20143061. The next prime is 20143099. The reversal of 20143098 is 89034102.

It is not an unprimeable number, because it can be changed into a prime (20143099) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 988 + ... + 6423.

It is an arithmetic number, because the mean of its divisors is an integer number (1830764).

Almost surely, 2^20143098 is an apocalyptic number.

20143098 is an abundant number, since it is smaller than the sum of its proper divisors (23795238).

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

20143098 is a wasteful number, since it uses less digits than its factorization.

20143098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7570 (or 7567 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 20143098 is about 4488.1062821640. The cubic root of 20143098 is about 272.0876033424.

The spelling of 20143098 in words is "twenty million, one hundred forty-three thousand, ninety-eight".