20261412 has 36 divisors (see below), whose sum is σ = 51944256. Its totient is φ = 6657840.

The previous prime is 20261407. The next prime is 20261419. The reversal of 20261412 is 21416202.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is not an unprimeable number, because it can be changed into a prime (20261419) 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, 1408 + ... + 6519.

It is an arithmetic number, because the mean of its divisors is an integer number (1442896).

Almost surely, 2^20261412 is an apocalyptic number.

It is an amenable number.

20261412 is an abundant number, since it is smaller than the sum of its proper divisors (31682844).

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

20261412 is a wasteful number, since it uses less digits than its factorization.

20261412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8008 (or 8003 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 20261412 is about 4501.2678214032. The cubic root of 20261412 is about 272.6192817296.

Adding to 20261412 its reverse (21416202), we get a palindrome (41677614).

The spelling of 20261412 in words is "twenty million, two hundred sixty-one thousand, four hundred twelve".