20214661719 has 16 divisors (see below), whose sum is σ = 31024904960. Its totient is φ = 11468131200.

The previous prime is 20214661681. The next prime is 20214661741. The reversal of 20214661719 is 91716641202.

It is not a de Polignac number, because 20214661719 - 2¹² = 20214657623 is a prime.

It is a super-2 number, since 2×20214661719² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20214661769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3459682 + ... + 3465519.

It is an arithmetic number, because the mean of its divisors is an integer number (1939056560).

Almost surely, 2^20214661719 is an apocalyptic number.

20214661719 is a deficient number, since it is larger than the sum of its proper divisors (10810243241).

20214661719 is a wasteful number, since it uses less digits than its factorization.

20214661719 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6925350.

The product of its (nonzero) digits is 36288, while the sum is 39.

The spelling of 20214661719 in words is "twenty billion, two hundred fourteen million, six hundred sixty-one thousand, seven hundred nineteen".