20529379668030 has 16 divisors (see below), whose sum is σ = 49270511203344. Its totient is φ = 5474501244800.

The previous prime is 20529379667999. The next prime is 20529379668037. The reversal of 20529379668030 is 3086697392502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20529379668037) 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, 342156327771 + ... + 342156327830.

It is an arithmetic number, because the mean of its divisors is an integer number (3079406950209).

Almost surely, 2^{20529379668030} is an apocalyptic number.

20529379668030 is an abundant number, since it is smaller than the sum of its proper divisors (28741131535314).

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

20529379668030 is a wasteful number, since it uses less digits than its factorization.

20529379668030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 684312655611.

The product of its (nonzero) digits is 29393280, while the sum is 60.

The spelling of 20529379668030 in words is "twenty trillion, five hundred twenty-nine billion, three hundred seventy-nine million, six hundred sixty-eight thousand, thirty".