20031001299 has 32 divisors (see below), whose sum is σ = 30392064000. Its totient is φ = 13033170432.

The previous prime is 20031001273. The next prime is 20031001303. The reversal of 20031001299 is 99210013002.

It is not a de Polignac number, because 20031001299 - 2⁵ = 20031001267 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (20031001699) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 433587 + ... + 477555.

It is an arithmetic number, because the mean of its divisors is an integer number (949752000).

Almost surely, 2^20031001299 is an apocalyptic number.

20031001299 is a deficient number, since it is larger than the sum of its proper divisors (10361062701).

20031001299 is a wasteful number, since it uses less digits than its factorization.

20031001299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44384 (or 44378 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The spelling of 20031001299 in words is "twenty billion, thirty-one million, one thousand, two hundred ninety-nine".