20377122951 has 8 divisors (see below), whose sum is σ = 27171857920. Its totient is φ = 13583568312.

The previous prime is 20377122937. The next prime is 20377122979. The reversal of 20377122951 is 15922177302.

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

It is not a de Polignac number, because 20377122951 - 2¹⁹ = 20376598663 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 (20377122911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 253981 + ... + 324438.

It is an arithmetic number, because the mean of its divisors is an integer number (3396482240).

Almost surely, 2^20377122951 is an apocalyptic number.

20377122951 is a deficient number, since it is larger than the sum of its proper divisors (6794734969).

20377122951 is a wasteful number, since it uses less digits than its factorization.

20377122951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 590165.

The product of its (nonzero) digits is 52920, while the sum is 39.

The spelling of 20377122951 in words is "twenty billion, three hundred seventy-seven million, one hundred twenty-two thousand, nine hundred fifty-one".