20401010012 has 6 divisors (see below), whose sum is σ = 35701767528. Its totient is φ = 10200505004.

The previous prime is 20401010009. The next prime is 20401010059. The reversal of 20401010012 is 21001010402.

It is a junction number, because it is equal to n+sod(n) for n = 20401009975 and 20401010002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2550126248 + ... + 2550126255.

It is an arithmetic number, because the mean of its divisors is an integer number (5950294588).

Almost surely, 2^20401010012 is an apocalyptic number.

It is an amenable number.

20401010012 is a deficient number, since it is larger than the sum of its proper divisors (15300757516).

20401010012 is a wasteful number, since it uses less digits than its factorization.

20401010012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5100252507 (or 5100252505 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 20401010012 its reverse (21001010402), we get a palindrome (41402020414).

The spelling of 20401010012 in words is "twenty billion, four hundred one million, ten thousand, twelve".