20630015461 has 8 divisors (see below), whose sum is σ = 22886920800. Its totient is φ = 18436685040.

The previous prime is 20630015411. The next prime is 20630015467. The reversal of 20630015461 is 16451003602.

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

It is a cyclic number.

It is not a de Polignac number, because 20630015461 - 2¹⁹ = 20629491173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20630015467) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15893046 + ... + 15894343.

It is an arithmetic number, because the mean of its divisors is an integer number (2860865100).

Almost surely, 2^20630015461 is an apocalyptic number.

It is an amenable number.

20630015461 is a deficient number, since it is larger than the sum of its proper divisors (2256905339).

20630015461 is a wasteful number, since it uses less digits than its factorization.

20630015461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31787459.

The product of its (nonzero) digits is 4320, while the sum is 28.

The spelling of 20630015461 in words is "twenty billion, six hundred thirty million, fifteen thousand, four hundred sixty-one".