20463085461 has 96 divisors (see below), whose sum is σ = 35617612800. Its totient is φ = 10346434560.

The previous prime is 20463085421. The next prime is 20463085471. The reversal of 20463085461 is 16458036402.

It is not a de Polignac number, because 20463085461 - 2¹⁷ = 20462954389 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20463085411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 6455685 + ... + 6458853.

It is an arithmetic number, because the mean of its divisors is an integer number (371016800).

Almost surely, 2^20463085461 is an apocalyptic number.

20463085461 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

20463085461 is a deficient number, since it is larger than the sum of its proper divisors (15154527339).

20463085461 is a wasteful number, since it uses less digits than its factorization.

20463085461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3339 (or 3332 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 39.

The spelling of 20463085461 in words is "twenty billion, four hundred sixty-three million, eighty-five thousand, four hundred sixty-one".