20712461075 has 12 divisors (see below), whose sum is σ = 25688193648. Its totient is φ = 16566909600.

The previous prime is 20712461069. The next prime is 20712461083. The reversal of 20712461075 is 57016421702.

It is not a de Polignac number, because 20712461075 - 2¹⁴ = 20712444691 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66905 + ... + 214245.

It is an arithmetic number, because the mean of its divisors is an integer number (2140682804).

Almost surely, 2^20712461075 is an apocalyptic number.

20712461075 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

20712461075 is a deficient number, since it is larger than the sum of its proper divisors (4975732573).

20712461075 is a wasteful number, since it uses less digits than its factorization.

20712461075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152974 (or 152969 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 35.

Adding to 20712461075 its reverse (57016421702), we get a palindrome (77728882777).

The spelling of 20712461075 in words is "twenty billion, seven hundred twelve million, four hundred sixty-one thousand, seventy-five".