20861825014 has 8 divisors (see below), whose sum is σ = 31300758648. Its totient is φ = 10428238800.

The previous prime is 20861824993. The next prime is 20861825027. The reversal of 20861825014 is 41052816802.

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

It is a super-2 number, since 2×20861825014² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1327087 + ... + 1342714.

It is an arithmetic number, because the mean of its divisors is an integer number (3912594831).

Almost surely, 2^20861825014 is an apocalyptic number.

20861825014 is a deficient number, since it is larger than the sum of its proper divisors (10438933634).

20861825014 is a wasteful number, since it uses less digits than its factorization.

20861825014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2673710.

The product of its (nonzero) digits is 30720, while the sum is 37.

The spelling of 20861825014 in words is "twenty billion, eight hundred sixty-one million, eight hundred twenty-five thousand, fourteen".