20607054551 has 8 divisors (see below), whose sum is σ = 20645937840. Its totient is φ = 20568195648.

The previous prime is 20607054547. The next prime is 20607054553. The reversal of 20607054551 is 15545070602.

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 20607054551 - 2² = 20607054547 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 (20607054553) 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, 2867675 + ... + 2874851.

It is an arithmetic number, because the mean of its divisors is an integer number (2580742230).

Almost surely, 2^20607054551 is an apocalyptic number.

20607054551 is a deficient number, since it is larger than the sum of its proper divisors (38883289).

20607054551 is an equidigital number, since it uses as much as digits as its factorization.

20607054551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12193.

The product of its (nonzero) digits is 42000, while the sum is 35.

The spelling of 20607054551 in words is "twenty billion, six hundred seven million, fifty-four thousand, five hundred fifty-one".