20025651060 has 60 divisors (see below), whose sum is σ = 62821214148. Its totient is φ = 5340173184.

The previous prime is 20025651043. The next prime is 20025651133. The reversal of 20025651060 is 6015652002.

20025651060 is a `hidden beast` number, since 2 + 0 + 0 + 2 + 5 + 651 + 0 + 6 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 5753525904 + 14272125156 = 75852^2 + 119466^2 .

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 6179137 + ... + 6182376.

Almost surely, 2^20025651060 is an apocalyptic number.

20025651060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20025651060 is an abundant number, since it is smaller than the sum of its proper divisors (42795563088).

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

20025651060 is a wasteful number, since it uses less digits than its factorization.

20025651060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12361534 (or 12361523 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The spelling of 20025651060 in words is "twenty billion, twenty-five million, six hundred fifty-one thousand, sixty".