20951414207 has 4 divisors (see below), whose sum is σ = 20966391600. Its totient is φ = 20936436816.

The previous prime is 20951414177. The next prime is 20951414221. The reversal of 20951414207 is 70241415902.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20951414207 - 2¹² = 20951410111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20951419207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7486598 + ... + 7489395.

It is an arithmetic number, because the mean of its divisors is an integer number (5241597900).

Almost surely, 2^20951414207 is an apocalyptic number.

20951414207 is a deficient number, since it is larger than the sum of its proper divisors (14977393).

20951414207 is a wasteful number, since it uses less digits than its factorization.

20951414207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14977392.

The product of its (nonzero) digits is 20160, while the sum is 35.

The spelling of 20951414207 in words is "twenty billion, nine hundred fifty-one million, four hundred fourteen thousand, two hundred seven".