20305152445 has 16 divisors (see below), whose sum is σ = 25429479552. Its totient is φ = 15535474240.

The previous prime is 20305152437. The next prime is 20305152457. The reversal of 20305152445 is 54425150302.

It is not a de Polignac number, because 20305152445 - 2³ = 20305152437 is a prime.

It is a Duffinian number.

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, 1253850 + ... + 1269940.

It is an arithmetic number, because the mean of its divisors is an integer number (1589342472).

Almost surely, 2^20305152445 is an apocalyptic number.

It is an amenable number.

20305152445 is a deficient number, since it is larger than the sum of its proper divisors (5124327107).

20305152445 is a wasteful number, since it uses less digits than its factorization.

20305152445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27092.

The product of its (nonzero) digits is 24000, while the sum is 31.

The spelling of 20305152445 in words is "twenty billion, three hundred five million, one hundred fifty-two thousand, four hundred forty-five".