20147581130 has 16 divisors (see below), whose sum is σ = 36299781504. Its totient is φ = 8051446800.

The previous prime is 20147581087. The next prime is 20147581141. The reversal of 20147581130 is 3118574102.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 937046 + ... + 958305.

It is an arithmetic number, because the mean of its divisors is an integer number (2268736344).

Almost surely, 2^20147581130 is an apocalyptic number.

20147581130 is a deficient number, since it is larger than the sum of its proper divisors (16152200374).

20147581130 is a wasteful number, since it uses less digits than its factorization.

20147581130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1896421.

The product of its (nonzero) digits is 6720, while the sum is 32.

The spelling of 20147581130 in words is "twenty billion, one hundred forty-seven million, five hundred eighty-one thousand, one hundred thirty".