20300745057 has 8 divisors (see below), whose sum is σ = 27069337440. Its totient is φ = 13532991360.

The previous prime is 20300745053. The next prime is 20300745061. The reversal of 20300745057 is 75054700302.

It is an interprime number because it is at equal distance from previous prime (20300745053) and next prime (20300745061).

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

It is not a de Polignac number, because 20300745057 - 2² = 20300745053 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20300745053) 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, 150832 + ... + 251697.

It is an arithmetic number, because the mean of its divisors is an integer number (3383667180).

Almost surely, 2^20300745057 is an apocalyptic number.

It is an amenable number.

20300745057 is a deficient number, since it is larger than the sum of its proper divisors (6768592383).

20300745057 is a wasteful number, since it uses less digits than its factorization.

20300745057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419343.

The product of its (nonzero) digits is 29400, while the sum is 33.

The spelling of 20300745057 in words is "twenty billion, three hundred million, seven hundred forty-five thousand, fifty-seven".