20846242252 has 12 divisors (see below), whose sum is σ = 39797371656. Its totient is φ = 9475564640.

The previous prime is 20846242247. The next prime is 20846242259. The reversal of 20846242252 is 25224264802.

It is not an unprimeable number, because it can be changed into a prime (20846242259) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 236889073 + ... + 236889160.

It is an arithmetic number, because the mean of its divisors is an integer number (3316447638).

Almost surely, 2^20846242252 is an apocalyptic number.

20846242252 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20846242252 is a deficient number, since it is larger than the sum of its proper divisors (18951129404).

20846242252 is a wasteful number, since it uses less digits than its factorization.

20846242252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473778248 (or 473778246 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 37.

The spelling of 20846242252 in words is "twenty billion, eight hundred forty-six million, two hundred forty-two thousand, two hundred fifty-two".