20090739462 has 16 divisors (see below), whose sum is σ = 40188461040. Its totient is φ = 6695749472.

The previous prime is 20090739433. The next prime is 20090739463. The reversal of 20090739462 is 26493709002.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20090739463) 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, 253137 + ... + 322892.

It is an arithmetic number, because the mean of its divisors is an integer number (2511778815).

Almost surely, 2^20090739462 is an apocalyptic number.

20090739462 is an abundant number, since it is smaller than the sum of its proper divisors (20097721578).

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

20090739462 is a wasteful number, since it uses less digits than its factorization.

20090739462 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 581847.

The product of its (nonzero) digits is 163296, while the sum is 42.

The spelling of 20090739462 in words is "twenty billion, ninety million, seven hundred thirty-nine thousand, four hundred sixty-two".