20147007460 has 12 divisors (see below), whose sum is σ = 42308715708. Its totient is φ = 8058802976.

The previous prime is 20147007443. The next prime is 20147007467. The reversal of 20147007460 is 6470074102.

It can be written as a sum of positive squares in 2 ways, for example, as 16003768036 + 4143239424 = 126506^2 + 64368^2 .

It is not an unprimeable number, because it can be changed into a prime (20147007467) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 503675167 + ... + 503675206.

It is an arithmetic number, because the mean of its divisors is an integer number (3525726309).

Almost surely, 2^20147007460 is an apocalyptic number.

20147007460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20147007460 is an abundant number, since it is smaller than the sum of its proper divisors (22161708248).

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

20147007460 is a wasteful number, since it uses less digits than its factorization.

20147007460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1007350382 (or 1007350380 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 31.

The spelling of 20147007460 in words is "twenty billion, one hundred forty-seven million, seven thousand, four hundred sixty".