20343054 has 16 divisors (see below), whose sum is σ = 41067648. Its totient is φ = 6717432.

The previous prime is 20343049. The next prime is 20343061. The reversal of 20343054 is 45034302.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 20343054.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15202 + ... + 16485.

It is an arithmetic number, because the mean of its divisors is an integer number (2566728).

Almost surely, 2^20343054 is an apocalyptic number.

20343054 is an abundant number, since it is smaller than the sum of its proper divisors (20724594).

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

20343054 is a wasteful number, since it uses less digits than its factorization.

20343054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31799.

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 20343054 is about 4510.3274825671. The cubic root of 20343054 is about 272.9849580463.

Adding to 20343054 its reverse (45034302), we get a palindrome (65377356).

The spelling of 20343054 in words is "twenty million, three hundred forty-three thousand, fifty-four".