20401330013412 has 24 divisors (see below), whose sum is σ = 47620546864800. Its totient is φ = 6797951409216.

The previous prime is 20401330013371. The next prime is 20401330013423. The reversal of 20401330013412 is 21431003310402.

It is a happy number.

It is a super-2 number, since 2×20401330013412² (a number of 27 digits) contains 22 as substring.

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, 311456962 + ... + 311522457.

It is an arithmetic number, because the mean of its divisors is an integer number (1984189452700).

Almost surely, 2^{20401330013412} is an apocalyptic number.

It is an amenable number.

20401330013412 is an abundant number, since it is smaller than the sum of its proper divisors (27219216851388).

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

20401330013412 is a wasteful number, since it uses less digits than its factorization.

20401330013412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 622982155 (or 622982153 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 20401330013412 its reverse (21431003310402), we get a palindrome (41832333323814).

The spelling of 20401330013412 in words is "twenty trillion, four hundred one billion, three hundred thirty million, thirteen thousand, four hundred twelve".