20120401319 has 8 divisors (see below), whose sum is σ = 20150532480. Its totient is φ = 20090294136.

The previous prime is 20120401307. The next prime is 20120401321. The reversal of 20120401319 is 91310402102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20120401319 - 2¹² = 20120397223 is a prime.

It is a super-2 number, since 2×20120401319² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20120401294 and 20120401303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20120409319) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2271902 + ... + 2280740.

It is an arithmetic number, because the mean of its divisors is an integer number (2518816560).

Almost surely, 2^20120401319 is an apocalyptic number.

20120401319 is a deficient number, since it is larger than the sum of its proper divisors (30131161).

20120401319 is a wasteful number, since it uses less digits than its factorization.

20120401319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11989.

The product of its (nonzero) digits is 432, while the sum is 23.

The spelling of 20120401319 in words is "twenty billion, one hundred twenty million, four hundred one thousand, three hundred nineteen".