20012426 has 16 divisors (see below), whose sum is σ = 34456320. Its totient is φ = 8539440.

The previous prime is 20012423. The next prime is 20012441. The reversal of 20012426 is 62421002.

It is not an unprimeable number, because it can be changed into a prime (20012423) 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, 356 + ... + 6336.

It is an arithmetic number, because the mean of its divisors is an integer number (2153520).

Almost surely, 2^20012426 is an apocalyptic number.

20012426 is a deficient number, since it is larger than the sum of its proper divisors (14443894).

20012426 is a wasteful number, since it uses less digits than its factorization.

20012426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6229.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 20012426 is about 4473.5250083128. The cubic root of 20012426 is about 271.4979656101.

Adding to 20012426 its reverse (62421002), we get a palindrome (82433428).

The spelling of 20012426 in words is "twenty million, twelve thousand, four hundred twenty-six".