20205142412 has 48 divisors (see below), whose sum is σ = 45809245440. Its totient is φ = 7572543552.

The previous prime is 20205142381. The next prime is 20205142439. The reversal of 20205142412 is 21424150202.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1453838 + ... + 1467669.

It is an arithmetic number, because the mean of its divisors is an integer number (954359280).

Almost surely, 2^20205142412 is an apocalyptic number.

It is an amenable number.

20205142412 is an abundant number, since it is smaller than the sum of its proper divisors (25604103028).

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

20205142412 is a wasteful number, since it uses less digits than its factorization.

20205142412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2921550 (or 2921548 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 23.

Adding to 20205142412 its reverse (21424150202), we get a palindrome (41629292614).

The spelling of 20205142412 in words is "twenty billion, two hundred five million, one hundred forty-two thousand, four hundred twelve".