20242453311 has 24 divisors (see below), whose sum is σ = 30835983360. Its totient is φ = 13266231192.

The previous prime is 20242453307. The next prime is 20242453331. The reversal of 20242453311 is 11335424202.

20242453311 is a `hidden beast` number, since 202 + 4 + 2 + 453 + 3 + 1 + 1 = 666.

It is not a de Polignac number, because 20242453311 - 2² = 20242453307 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20242453331) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 691615 + ... + 720288.

It is an arithmetic number, because the mean of its divisors is an integer number (1284832640).

Almost surely, 2^20242453311 is an apocalyptic number.

20242453311 is a deficient number, since it is larger than the sum of its proper divisors (10593530049).

20242453311 is an equidigital number, since it uses as much as digits as its factorization.

20242453311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1411977 (or 1411965 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 20242453311 its reverse (11335424202), we get a palindrome (31577877513).

The spelling of 20242453311 in words is "twenty billion, two hundred forty-two million, four hundred fifty-three thousand, three hundred eleven".