20211412783 has 8 divisors (see below), whose sum is σ = 20663058528. Its totient is φ = 19762370784.

The previous prime is 20211412769. The next prime is 20211412787. The reversal of 20211412783 is 38721411202.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20211412783 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20211412787) 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, 635235 + ... + 666292.

It is an arithmetic number, because the mean of its divisors is an integer number (2582882316).

Almost surely, 2^20211412783 is an apocalyptic number.

20211412783 is a deficient number, since it is larger than the sum of its proper divisors (451645745).

20211412783 is a wasteful number, since it uses less digits than its factorization.

20211412783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1301873.

The product of its (nonzero) digits is 5376, while the sum is 31.

Adding to 20211412783 its reverse (38721411202), we get a palindrome (58932823985).

The spelling of 20211412783 in words is "twenty billion, two hundred eleven million, four hundred twelve thousand, seven hundred eighty-three".