20752305475 has 24 divisors (see below), whose sum is σ = 28081006272. Its totient is φ = 15087856800.

The previous prime is 20752305463. The next prime is 20752305487. The reversal of 20752305475 is 57450325702.

It is an interprime number because it is at equal distance from previous prime (20752305463) and next prime (20752305487).

It is not a de Polignac number, because 20752305475 - 2³¹ = 18604821827 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1035904 + ... + 1055746.

It is an arithmetic number, because the mean of its divisors is an integer number (1170041928).

Almost surely, 2^20752305475 is an apocalyptic number.

20752305475 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

20752305475 is a deficient number, since it is larger than the sum of its proper divisors (7328700797).

20752305475 is a wasteful number, since it uses less digits than its factorization.

20752305475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23667 (or 23662 counting only the distinct ones).

The product of its (nonzero) digits is 294000, while the sum is 40.

The spelling of 20752305475 in words is "twenty billion, seven hundred fifty-two million, three hundred five thousand, four hundred seventy-five".