20214406451 has 8 divisors (see below), whose sum is σ = 22203467520. Its totient is φ = 18317859912.

The previous prime is 20214406411. The next prime is 20214406463. The reversal of 20214406451 is 15460441202.

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 20214406451 - 2²² = 20210212147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20214406411) 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, 23128175 + ... + 23129048.

It is an arithmetic number, because the mean of its divisors is an integer number (2775433440).

Almost surely, 2^20214406451 is an apocalyptic number.

20214406451 is a deficient number, since it is larger than the sum of its proper divisors (1989061069).

20214406451 is a wasteful number, since it uses less digits than its factorization.

20214406451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46257265.

The product of its (nonzero) digits is 7680, while the sum is 29.

Adding to 20214406451 its reverse (15460441202), we get a palindrome (35674847653).

The spelling of 20214406451 in words is "twenty billion, two hundred fourteen million, four hundred six thousand, four hundred fifty-one".