20605150600 has 24 divisors (see below), whose sum is σ = 47906975610. Its totient is φ = 8242060160.

The previous prime is 20605150597. The next prime is 20605150603. The reversal of 20605150600 is 605150602.

It is an interprime number because it is at equal distance from previous prime (20605150597) and next prime (20605150603).

It can be written as a sum of positive squares in 3 ways, for example, as 9093148164 + 11512002436 = 95358^2 + 107294^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (20605150603) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 51512677 + ... + 51513076.

Almost surely, 2^20605150600 is an apocalyptic number.

20605150600 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20605150600 is an abundant number, since it is smaller than the sum of its proper divisors (27301825010).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20605150600 is a wasteful number, since it uses less digits than its factorization.

20605150600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103025769 (or 103025760 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

The spelling of 20605150600 in words is "twenty billion, six hundred five million, one hundred fifty thousand, six hundred".