20326340463 has 32 divisors (see below), whose sum is σ = 32517338112. Its totient is φ = 11129424000.

The previous prime is 20326340449. The next prime is 20326340473. The reversal of 20326340463 is 36404362302.

It is a happy number.

It is not a de Polignac number, because 20326340463 - 2¹⁴ = 20326324079 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20326340423) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 483888 + ... + 524213.

It is an arithmetic number, because the mean of its divisors is an integer number (1016166816).

Almost surely, 2^20326340463 is an apocalyptic number.

20326340463 is a deficient number, since it is larger than the sum of its proper divisors (12190997649).

20326340463 is a wasteful number, since it uses less digits than its factorization.

20326340463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1008175.

The product of its (nonzero) digits is 62208, while the sum is 33.

The spelling of 20326340463 in words is "twenty billion, three hundred twenty-six million, three hundred forty thousand, four hundred sixty-three".