20243022051 has 48 divisors (see below), whose sum is σ = 33436966400. Its totient is φ = 10886843520.

The previous prime is 20243022031. The next prime is 20243022073. The reversal of 20243022051 is 15022034202.

It is not a de Polignac number, because 20243022051 - 2⁷ = 20243021923 is a prime.

It is a super-3 number, since 3×20243022051³ (a number of 32 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20243022031) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 263346 + ... + 331416.

Almost surely, 2^20243022051 is an apocalyptic number.

20243022051 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

20243022051 is a deficient number, since it is larger than the sum of its proper divisors (13193944349).

20243022051 is an equidigital number, since it uses as much as digits as its factorization.

20243022051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68129 (or 68098 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

Adding to 20243022051 its reverse (15022034202), we get a palindrome (35265056253).

The spelling of 20243022051 in words is "twenty billion, two hundred forty-three million, twenty-two thousand, fifty-one".