20041251245 has 8 divisors (see below), whose sum is σ = 24182372760. Its totient is φ = 15944420160.

The previous prime is 20041251233. The next prime is 20041251353. The reversal of 20041251245 is 54215214002.

It can be written as a sum of positive squares in 4 ways, for example, as 379041961 + 19662209284 = 19469^2 + 140222^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20041251245 - 2²⁰ = 20040202669 is a prime.

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, 11071610 + ... + 11073419.

It is an arithmetic number, because the mean of its divisors is an integer number (3022796595).

Almost surely, 2^20041251245 is an apocalyptic number.

It is an amenable number.

20041251245 is a deficient number, since it is larger than the sum of its proper divisors (4141121515).

20041251245 is a wasteful number, since it uses less digits than its factorization.

20041251245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22145215.

The product of its (nonzero) digits is 3200, while the sum is 26.

Adding to 20041251245 its reverse (54215214002), we get a palindrome (74256465247).

The spelling of 20041251245 in words is "twenty billion, forty-one million, two hundred fifty-one thousand, two hundred forty-five".