20010331412 has 24 divisors (see below), whose sum is σ = 36244159560. Its totient is φ = 9655210880.

The previous prime is 20010331409. The next prime is 20010331447. The reversal of 20010331412 is 21413301002.

It can be written as a sum of positive squares in 4 ways, for example, as 40119556 + 19970211856 = 6334^2 + 141316^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 188462 + ... + 274842.

It is an arithmetic number, because the mean of its divisors is an integer number (1510173315).

Almost surely, 2^20010331412 is an apocalyptic number.

It is an amenable number.

20010331412 is a deficient number, since it is larger than the sum of its proper divisors (16233828148).

20010331412 is a wasteful number, since it uses less digits than its factorization.

20010331412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88411 (or 88409 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 20010331412 its reverse (21413301002), we get a palindrome (41423632414).

The spelling of 20010331412 in words is "twenty billion, ten million, three hundred thirty-one thousand, four hundred twelve".