20708152445 has 16 divisors (see below), whose sum is σ = 25102405440. Its totient is φ = 16398359424.

The previous prime is 20708152417. The next prime is 20708152453. The reversal of 20708152445 is 54425180702.

It is a cyclic number.

It is not a de Polignac number, because 20708152445 - 2²² = 20703958141 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20708152399 and 20708152408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 671321 + ... + 701489.

It is an arithmetic number, because the mean of its divisors is an integer number (1568900340).

Almost surely, 2^20708152445 is an apocalyptic number.

It is an amenable number.

20708152445 is a deficient number, since it is larger than the sum of its proper divisors (4394252995).

20708152445 is a wasteful number, since it uses less digits than its factorization.

20708152445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31564.

The product of its (nonzero) digits is 89600, while the sum is 38.

The spelling of 20708152445 in words is "twenty billion, seven hundred eight million, one hundred fifty-two thousand, four hundred forty-five".