20434098 has 16 divisors (see below), whose sum is σ = 41168160. Its totient is φ = 6761376.

The previous prime is 20434093. The next prime is 20434109. The reversal of 20434098 is 89043402.

It is a happy number.

It is a super-2 number, since 2×20434098² = 835104722147208, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20434093) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11608 + ... + 13251.

It is an arithmetic number, because the mean of its divisors is an integer number (2573010).

Almost surely, 2^20434098 is an apocalyptic number.

20434098 is an abundant number, since it is smaller than the sum of its proper divisors (20734062).

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

20434098 is a wasteful number, since it uses less digits than its factorization.

20434098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25001.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 20434098 is about 4520.4090522872. The cubic root of 20434098 is about 273.3915940982.

The spelling of 20434098 in words is "twenty million, four hundred thirty-four thousand, ninety-eight".