20311130546 has 8 divisors (see below), whose sum is σ = 34819080960. Its totient is φ = 8704770228.

The previous prime is 20311130503. The next prime is 20311130597. The reversal of 20311130546 is 64503111302.

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

It is a Curzon number.

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, 725397506 + ... + 725397533.

It is an arithmetic number, because the mean of its divisors is an integer number (4352385120).

Almost surely, 2^20311130546 is an apocalyptic number.

20311130546 is a deficient number, since it is larger than the sum of its proper divisors (14507950414).

20311130546 is a wasteful number, since it uses less digits than its factorization.

20311130546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1450795048.

The product of its (nonzero) digits is 2160, while the sum is 26.

Adding to 20311130546 its reverse (64503111302), we get a palindrome (84814241848).

The spelling of 20311130546 in words is "twenty billion, three hundred eleven million, one hundred thirty thousand, five hundred forty-six".