20246220526 has 32 divisors (see below), whose sum is σ = 37280160000. Its totient is φ = 8220264696.

The previous prime is 20246220523. The next prime is 20246220539. The reversal of 20246220526 is 62502264202.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20246220523) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 763636 + ... + 789703.

It is an arithmetic number, because the mean of its divisors is an integer number (1165005000).

Almost surely, 2^20246220526 is an apocalyptic number.

20246220526 is a deficient number, since it is larger than the sum of its proper divisors (17033939474).

20246220526 is a wasteful number, since it uses less digits than its factorization.

20246220526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1553381 (or 1553367 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 31.

Adding to 20246220526 its reverse (62502264202), we get a palindrome (82748484728).

The spelling of 20246220526 in words is "twenty billion, two hundred forty-six million, two hundred twenty thousand, five hundred twenty-six".