20246023252 has 36 divisors (see below), whose sum is σ = 44385518100. Its totient is φ = 8009414784.

The previous prime is 20246023219. The next prime is 20246023261. The reversal of 20246023252 is 25232064202.

It can be written as a sum of positive squares in 2 ways, for example, as 6983276356 + 13262746896 = 83566^2 + 115164^2 .

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 20246023252.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3970377 + ... + 3975472.

Almost surely, 2^20246023252 is an apocalyptic number.

It is an amenable number.

20246023252 is an abundant number, since it is smaller than the sum of its proper divisors (24139494848).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20246023252 is a wasteful number, since it uses less digits than its factorization.

20246023252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7945880 (or 7945871 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 28.

Adding to 20246023252 its reverse (25232064202), we get a palindrome (45478087454).

The spelling of 20246023252 in words is "twenty billion, two hundred forty-six million, twenty-three thousand, two hundred fifty-two".