20551674241 has 8 divisors (see below), whose sum is σ = 23496482240. Its totient is φ = 17609079888.

The previous prime is 20551674211. The next prime is 20551674251. The reversal of 20551674241 is 14247615502.

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

It is a cyclic number.

It is not a de Polignac number, because 20551674241 - 2¹⁹ = 20551149953 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20551674241.

It is not an unprimeable number, because it can be changed into a prime (20551674211) 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, 533466 + ... + 570691.

It is an arithmetic number, because the mean of its divisors is an integer number (2937060280).

Almost surely, 2^20551674241 is an apocalyptic number.

It is an amenable number.

20551674241 is a deficient number, since it is larger than the sum of its proper divisors (2944807999).

20551674241 is a wasteful number, since it uses less digits than its factorization.

20551674241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1106823.

The product of its (nonzero) digits is 67200, while the sum is 37.

The spelling of 20551674241 in words is "twenty billion, five hundred fifty-one million, six hundred seventy-four thousand, two hundred forty-one".