20207398429696 has 33 divisors (see below), whose sum is σ = 40395350630329. Its totient is φ = 10103627290624.

The previous prime is 20207398429663. The next prime is 20207398429697. The reversal of 20207398429696 is 69692489370202.

The square root of 20207398429696 is 4495264.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 1504056960000 + 18703341469696 = 1226400^2 + 4324736^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20207398429697) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 143778210 + ... + 143918686.

Almost surely, 2^{20207398429696} is an apocalyptic number.

20207398429696 is the 4495264-th square number.

It is an amenable number.

20207398429696 is a deficient number, since it is larger than the sum of its proper divisors (20187952200633).

20207398429696 is an frugal number, since it uses more digits than its factorization.

20207398429696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280974 (or 140479 counting only the distinct ones).

The product of its (nonzero) digits is 141087744, while the sum is 67.

The spelling of 20207398429696 in words is "twenty trillion, two hundred seven billion, three hundred ninety-eight million, four hundred twenty-nine thousand, six hundred ninety-six".