20011202101948 has 48 divisors (see below), whose sum is σ = 35162383060224. Its totient is φ = 9964918978560.

The previous prime is 20011202101901. The next prime is 20011202101949. The reversal of 20011202101948 is 84910120211002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20011202101949) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1745106511 + ... + 1745117977.

It is an arithmetic number, because the mean of its divisors is an integer number (732549647088).

Almost surely, 2^{20011202101948} is an apocalyptic number.

It is an amenable number.

20011202101948 is a deficient number, since it is larger than the sum of its proper divisors (15151180958276).

20011202101948 is a wasteful number, since it uses less digits than its factorization.

20011202101948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13762 (or 13760 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 31.

The spelling of 20011202101948 in words is "twenty trillion, eleven billion, two hundred two million, one hundred one thousand, nine hundred forty-eight".