20012452 has 6 divisors (see below), whose sum is σ = 35021798. Its totient is φ = 10006224.

The previous prime is 20012441. The next prime is 20012479. The reversal of 20012452 is 25421002.

It can be written as a sum of positive squares in only one way, i.e., 18610596 + 1401856 = 4314^2 + 1184^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2501553 + ... + 2501560.

Almost surely, 2^20012452 is an apocalyptic number.

It is an amenable number.

20012452 is a deficient number, since it is larger than the sum of its proper divisors (15009346).

20012452 is a wasteful number, since it uses less digits than its factorization.

20012452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5003117 (or 5003115 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 20012452 is about 4473.5279142976. The cubic root of 20012452 is about 271.4980831861.

Adding to 20012452 its reverse (25421002), we get a palindrome (45433454).

The spelling of 20012452 in words is "twenty million, twelve thousand, four hundred fifty-two".