20251412 has 6 divisors (see below), whose sum is σ = 35439978. Its totient is φ = 10125704.

The previous prime is 20251393. The next prime is 20251447. The reversal of 20251412 is 21415202.

It can be written as a sum of positive squares in only one way, i.e., 17272336 + 2979076 = 4156^2 + 1726^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2531423 + ... + 2531430.

It is an arithmetic number, because the mean of its divisors is an integer number (5906663).

Almost surely, 2^20251412 is an apocalyptic number.

It is an amenable number.

20251412 is a deficient number, since it is larger than the sum of its proper divisors (15188566).

20251412 is a wasteful number, since it uses less digits than its factorization.

20251412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5062857 (or 5062855 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 20251412 is about 4500.1568861541. The cubic root of 20251412 is about 272.5744240227.

Adding to 20251412 its reverse (21415202), we get a palindrome (41666614).

The spelling of 20251412 in words is "twenty million, two hundred fifty-one thousand, four hundred twelve".