20147064760 has 32 divisors (see below), whose sum is σ = 45877058640. Its totient is φ = 7961730304.

The previous prime is 20147064757. The next prime is 20147064787. The reversal of 20147064760 is 6746074102.

It is a super-3 number, since 3×20147064760³ (a number of 32 digits) contains 333 as substring.

It is a congruent 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, 3030877 + ... + 3037516.

Almost surely, 2^20147064760 is an apocalyptic number.

20147064760 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20147064760 is an abundant number, since it is smaller than the sum of its proper divisors (25729993880).

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

20147064760 is a wasteful number, since it uses less digits than its factorization.

20147064760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6068487 (or 6068483 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 37.

The spelling of 20147064760 in words is "twenty billion, one hundred forty-seven million, sixty-four thousand, seven hundred sixty".