20727461954 has 8 divisors (see below), whose sum is σ = 32442984000. Its totient is φ = 9913133956.

The previous prime is 20727461941. The next prime is 20727462047. The reversal of 20727461954 is 45916472702.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 20727461899 and 20727461908.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 225298454 + ... + 225298545.

It is an arithmetic number, because the mean of its divisors is an integer number (4055373000).

Almost surely, 2^20727461954 is an apocalyptic number.

20727461954 is a deficient number, since it is larger than the sum of its proper divisors (11715522046).

20727461954 is a wasteful number, since it uses less digits than its factorization.

20727461954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450597024.

The product of its (nonzero) digits is 846720, while the sum is 47.

The spelling of 20727461954 in words is "twenty billion, seven hundred twenty-seven million, four hundred sixty-one thousand, nine hundred fifty-four".