20146269704 has 32 divisors (see below), whose sum is σ = 41214830400. Its totient is φ = 9155939520.

The previous prime is 20146269701. The next prime is 20146269721. The reversal of 20146269704 is 40796264102.

It is not an unprimeable number, because it can be changed into a prime (20146269701) 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, 697502 + ... + 725810.

It is an arithmetic number, because the mean of its divisors is an integer number (1287963450).

Almost surely, 2^20146269704 is an apocalyptic number.

It is an amenable number.

20146269704 is an abundant number, since it is smaller than the sum of its proper divisors (21068560696).

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

20146269704 is a wasteful number, since it uses less digits than its factorization.

20146269704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36413 (or 36409 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 41.

The spelling of 20146269704 in words is "twenty billion, one hundred forty-six million, two hundred sixty-nine thousand, seven hundred four".